It is illegal for a headmaster to hit a student. In the process of disciplining minor students, teachers should respect the personal dignity of minors, and may not corporal punishment or corporal punishment in disguised form. If the circumstances are minor, the education department or the judicial department may interview the responsible person; If the circumstances are serious, the education department will directly or indirectly interview the responsible person. The principal involved has been administratively detained by the local public security organ. Therefore, it is illegal for principals to beat students, and both teachers and schools have the responsibility to protect the rights and interests of underage students.

Legal basis:

criminal law

Article 233: Crime of intentional injury. The headmaster's slap in the face belongs to intentional injury and constitutes intentional injury. education act

Article 32 Schools shall protect the legitimate rights and interests of students, prohibit maltreatment, corporal punishment, corporal punishment in disguised form, insult and discrimination against students, and safeguard their physical and mental health.

People's Republic of China (PRC) Civil Code

Article 137 Anyone whose personality right is infringed shall have the right to demand that the infringement be stopped, the harm be eliminated, his reputation be restored, an apology be made, and he may demand compensation for losses.

People's Republic of China (PRC) Teacher Law

Twenty-third teachers are prohibited from corporal punishment, insult, corporal punishment in disguised form, illegal restriction of personal freedom and other improper acts.