The short answer

  • “Minor injury (Grade II)”(轻伤二级)does not mean “the injury was slight”. The Standard for the Assessment of Human Injury Degree sets five grades — serious injury Grade I, serious injury Grade II, minor injury Grade I, minor injury Grade II and trivial injury — and minor injury Grade II is the lowest grade that still supports criminal accountability; a nasal bone fracture combined with a fractured nasal septum, a few fractured ribs or dental trauma can all fall here.
  • Intentional injury causing minor injury has already reached the threshold for conviction under Article 234 of the Criminal Law — up to three years’ imprisonment, criminal detention or public surveillance — not “a few days of detention at most”.
  • Administrative detention first and criminal case filing afterwards are not contradictory in procedure: the injury assessment can only be made once the injury is stable, so the handling unit often first accepts the matter as a public security case; administrative detention already served is credited against the sentence by law when sentence is passed (Article 35 of the Administrative Penalty Law).
  • Twelve days of detention falls in the heavier bracket of Article 51(2) of the Public Security Administration Punishments Law (acting in a group, repeatedly, beating several people at once and so on), which shows the circumstances were then assessed as “relatively serious”, but the case was still a public security case, which is not the same as the criminal process being finished.
  • Posing as a police officer to lure someone out of the door is a separate offence: the crime of posing as a public official to deceive(impersonation fraud)under Article 279 of the Criminal Law, punished more heavily where the person poses as a people’s police officer; at the administrative level it is Article 62 of the Public Security Administration Punishments Law.
  • The family can push three routes: apply for reconsideration of a refusal to file a case (Article 112 of the Criminal Procedure Law), ask the procuratorate for procuratorial supervision over case filing (Article 113), and bring a private prosecution where there is evidence (Article 210); compensation runs separately through civil proceedings.

1. Drawing the boundaries of the facts first

According to public reports, a 17-year-old boy in Yuncheng, Shanxi lost his mother early and his father has a disability. A young man from the area, already over 18, came to the door and called him out; when refused, he attacked him inside the home; by the time the father came out on crutches, the man had already gone. After the report to the police, the other side found someone to phone the boy posing as a police station officer, luring him downstairs on the pretext of “coming in to give a statement”, where he was surrounded and beaten again and forced to kneel, with someone filming throughout. The injury assessment was minor injury (Grade II). The handling at the time was: the man who struck him was administratively detained for 12 days, and the person who posed as a police officer for 7 days.

After the media investigated and reported the matter it drew attention; the reports said the attacker’s mother is a police officer in another district. The municipal public security organ then took over the investigation at a higher level, and three people have been criminally detained. Whether anyone interfered with the handling, and how the 12 days were calculated, have no official conclusion so far. What follows deals only with the rules and does not characterise this individual case.

2. The words “minor injury” are not minor at all

The Standard for the Assessment of Human Injury Degree divides injuries into five grades: serious injury Grade I, serious injury Grade II, minor injury Grade I, minor injury Grade II and trivial injury. Serious injury endangers life or causes serious functional impairment; minor injury is damage to the structure of tissues or organs to a certain degree, or partial functional impairment; trivial injury is only slight damage.

Put on paper, minor injury Grade II commonly looks like this: a nasal bone fracture combined with a fractured nasal septum, three fractured ribs, a fractured frontal bone, dental trauma, subarachnoid haemorrhage, a fracture of a vertebral transverse process. Recovery periods are usually counted in weeks and months.

That families hear “minor injury” and assume “nothing serious” is a question of feel: it corresponds to the injury result in criminal law, while what people call “a scraped patch of skin or a lump” in daily speech is trivial injury.

3. Once minor injury is reached, the threshold for the crime of intentional injury is met

Article 234(1) of the Criminal Law: whoever intentionally injures another person’s body is punished by up to three years’ imprisonment, criminal detention or public surveillance. Paragraph 2: whoever causes serious injury is punished by three to ten years’ imprisonment; whoever causes death, or causes serious injury by especially cruel means resulting in serious disability, by ten years or more imprisonment, life imprisonment or death.

Intentional injury is a result offence: where the injury result reaches minor injury, the threshold for conviction is in principle met. Whether arrest is approved, whether prosecution follows and whether a custodial sentence is imposed are questions at the next level, but “minor injury is only a public security matter” is wrong.

The Guiding Opinions of the Supreme People’s Procuratorate and the Ministry of Public Security on the Proper Handling of Minor-Injury Cases in Accordance with Law (issued on 22 December 2022, in six parts and 24 articles) require both ends to be held: at one end, avoiding “result-only reasoning” and “whoever is injured is in the right” — a slight shove, a pull, or a hand shaken off or a step back taken to escape control should not readily be found to be intentional injury; at the other end, distinguishing the nature accurately — those who stir up trouble without cause and beat others at will are dealt with strictly as the crime of picking quarrels and provoking trouble(寻衅滋事罪), and those who provoke first or use excessive means cannot simply be pushed into “mutual fighting”.

Article 20 of those Opinions lists the circumstances that should be handled strictly, including injuring minors, the elderly or persons with disabilities; in this case the victim is 17 and a minor.

4. So why was there only 12 days of detention at the beginning?

First, the assessment takes time. The injury assessment is done only once the injury is stable and treatment has ended. Until then, accepting the matter as a public security case and bringing the person under control first is common practice.

Second, the penalties themselves are graduated. Article 51 of the Public Security Administration Punishments Law: whoever beats another person or intentionally injures another person’s body is detained for 5 to 10 days and concurrently fined 500 to 1,000 yuan; where the circumstances are relatively minor, detained for up to 5 days or fined up to 1,000 yuan. In any of the following circumstances, detention for 10 to 15 days and a concurrent fine of 1,000 to 2,000 yuan: (1) beating or injuring others in a group; (2) beating or injuring a person with a disability, a pregnant woman, a person under 14 or a person over 70; (3) repeatedly beating or injuring others, or beating or injuring several people at one time.

Twelve days falls exactly in the second bracket, which shows the circumstances were then assessed as already “relatively serious”, for instance acting in a group or repeatedly. That is not light in itself, but it is only the ceiling of administrative liability, not a substitute for criminal liability.

Third, a shift from administrative to criminal is not “reversing the case”. Once the injury conclusion reaches minor injury, the nature of the case shifts from a public security case to a criminal case; administrative detention already served is credited against a sentence of criminal detention or fixed-term imprisonment by law (Article 35 of the Administrative Penalty Law), and one day of prior custody counts as one day (Article 44 and Article 47 of the Criminal Law).

So “12 days of detention first, criminal detention afterwards” does not conflict procedurally. What genuinely deserves questioning is: when the assessment conclusion came out, why there was no shift to criminal handling before it did, and how the 12 days were calculated.

5. The impersonation of a police officer is a separate account

Article 279 of the Criminal Law: whoever poses as a functionary of a state organ to deceive is punished by up to three years’ imprisonment, criminal detention, public surveillance or deprivation of political rights; where the circumstances are serious, by three to ten years’ imprisonment. Whoever poses as a people’s police officer to deceive is punished more heavily.

Article 62 of the Public Security Administration Punishments Law: whoever poses as a functionary of a state organ to deceive is detained for 10 to 15 days and may concurrently be fined up to 1,000 yuan; where the circumstances are relatively minor, detained for 5 to 10 days; whoever poses as military or police personnel is punished more heavily.

The difference from the crime of fraud lies in “what is being deceived”: money or property taken by deception is fraud; obtaining trust or treatment by assuming an identity, or using that identity to do something else, is this offence. Where both are present, the heavier is usually chosen.

In this case, the impersonation of a police officer served to lure the boy downstairs; what it infringes is the public credit of state organs, and it is a separate account from the beating.

6. What the family can do now

  • Preserve the evidence: obtain the on-site surveillance footage as soon as possible (much of it is kept for only 7 to 30 days), the medical records and imaging, the original assessment opinion, call logs, and the video that was taken.
  • Ask for documents in writing: the case acceptance receipt, the administrative penalty decision, the notice of refusal to file a case, the notice of the assessment opinion. Without these, reconsideration and supervision later have nothing to start from.
  • Apply for reconsideration of a refusal to file: Article 112 of the Criminal Procedure Law — a complainant who disagrees with a decision not to file a case may apply for reconsideration.
  • Ask the procuratorate for supervision over case filing: Article 113 — where a victim considers that a public security organ has not filed a case that should be filed, he may raise it with the procuratorate, and the procuratorate shall require the police to explain the reasons; where the reasons do not hold, it shall notify the filing of the case.
  • Private prosecution where necessary: Article 210(2) and (3) — for minor criminal cases supported by evidence, and for cases in which the police or the procuratorate do not pursue criminal liability, an action may be brought directly before the court.
  • Compensation runs on a separate track: an incidental civil action in the criminal case or a separate civil action, claiming medical expenses, nursing costs, lost earnings, nutrition costs and transport costs, and disability compensation where a disability is assessed. Do not trade “money first” for dropping the case filing.

7. Three common misunderstandings

  • “Once you pay, it’s over”: minor injury is a public-prosecution case, and compensation and forgiveness affect only the degree of leniency. Articles 16 and 17 of the Guiding Opinions do provide that, with a guilty plea and acceptance of punishment, a settlement with compensation performed and no danger to society, there may be no arrest and no prosecution — but that is “may be lenient”, not “wiped out”.
  • “Minor injury Grade II is the same as trivial injury”: they are a whole grade apart; the former supports criminal liability, the latter reaches only administrative punishment.
  • “Once administrative detention is over, a criminal case cannot be opened”: there is no such rule; administrative and criminal liability are not an either/or.

A final note

The provisions are taken from the Criminal Law, the Public Security Administration Punishments Law, the Criminal Procedure Law and the Administrative Penalty Law in force, and the normative basis is the Guiding Opinions of the Supreme People’s Procuratorate and the Ministry of Public Security on the Proper Handling of Minor-Injury Cases in Accordance with Law. The course of the case is taken from public reports; no official conclusion has been made public, nor has how the 12 days were calculated, and this article does not characterise the individual case.

Comparable questions are covered in three other articles on this site: repeatedly beating an elderly person — why intentional injury rather than abuse, where the boundary of self-defence lies, and called to a police station for a statement — which words to be careful with.

If you or a family member face an injury case and are unsure which grade the injury falls into, or whether it should go the public security route or the criminal route, you are welcome to contact Lawyer Wang: phone 186-0113-9509, WeChat wang223040.

Quick answers

Is minor injury (Grade II) really a minor matter in China?
No. It is the lowest of the five grades in the Standard for the Assessment of Human Injury Degree that still supports criminal accountability; a nasal bone fracture combined with a fractured nasal septum, several fractured ribs or dental trauma can all fall within it.
Why was the attacker only detained for 12 days at first?
The injury assessment can only be made once the injury is stable, so the matter is often first accepted as a public security case, and 12 days falls in the heavier bracket of Article 51; once the conclusion reaches minor injury the case shifts to criminal handling, and detention already served is credited against the sentence.
Can the family still push for criminal handling after administrative detention?
Yes. They can apply for reconsideration of a refusal to file a case under Article 112 of the Criminal Procedure Law, ask the procuratorate for procuratorial supervision over case filing under Article 113, or bring a private prosecution under Article 210 where there is evidence.

This is an English edition of Wang Xin’s original Chinese article, 被打到轻伤二级,打人者只被拘留12天:「轻伤」到底有多重?. It explains the law of the People’s Republic of China in general terms and is not legal advice for any particular case; outcomes depend on the specific facts and on how local authorities apply the rules.