What law did the teacher violate to harass the students?

Legal analysis: the teacher is suspected of sexual harassment. Sexual harassment is a relatively minor sexual assault. Sexual harassment usually refers to the unwelcome sexual language or behavior made by the harasser to the harassed person, including physical contact, speech, graphic display, eyes and gestures, such as telling pornographic jokes, commenting, showing pornographic pictures, publications and articles, asking about sexual privacy, dating, ogling eyes, sexual posture, physical contact, exposing sexual organs, etc.

Legal basis: Article 237 of the Criminal Law of People's Republic of China (PRC) 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.