legal ground
Article 237 of the Criminal Law of People's Republic of China (PRC)
Whoever forcibly molests others or insults women by violence, coercion or other means shall be sentenced to fixed-term imprisonment of not more than five years or criminal detention.
Whoever affrays in a public place or commits the crime mentioned in the preceding paragraph, or has other vile circumstances, shall be sentenced to fixed-term imprisonment of not less than five years.
Whoever molests children shall be sentenced to fixed-term imprisonment of not more than five years; Under any of the following circumstances, he shall be sentenced to fixed-term imprisonment of not less than five years:
(a) repeatedly molesting children;
(2) Gathering people to molest children, or molesting children in public places, if the circumstances are bad;
(3) Causing injuries to children or other serious consequences;
(four) the means are obscene or there are other bad circumstances.