Legal analysis: Generally, people are arrested within 3 days after the report of the medical examination. Once criminal detention measures are taken, the investigation organ will decide whether to request arrest or change compulsory measures within 3 days at the longest.

legal basis: article 234 of the criminal law of the people's Republic of China intentionally hurts another person's body, and he shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance.

whoever commits the crime mentioned in the preceding paragraph and causes serious injuries shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years; Whoever causes death or causes serious disability by particularly cruel means shall be sentenced to fixed-term imprisonment of not less than 1 years, life imprisonment or death. Where there are other provisions in this Law, such provisions shall prevail.