The "eight prohibitions" stipulate that primary and secondary school teachers are prohibited from spreading incorrect remarks and participating in various illegal organizations and activities; It is forbidden to organize, incite and participate in group petitions, as well as absenteeism and passive absenteeism on the grounds of the eight bans; It is forbidden to participate in illegal and criminal activities such as pornography, gambling and drugs; Satire, sarcasm, discrimination, insult, corporal punishment or corporal punishment in disguised form are prohibited; It is forbidden to smoke after drinking in class or in places where students have activities; It is forbidden to use communication tools during class hours; It is forbidden to sell supplementary teaching materials and ask for property to students and parents; It is forbidden to make up lessons or tutor at work.