Not illegal. . . Because the consequences are not serious. Those who seriously affect students' study and life are suspected of violating the Law on Public Security Administration Punishment: Article 23 Anyone who commits one of the following acts shall be given a warning or fined not more than 200 yuan; If the circumstances are serious, he shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan: (1) disturbing the order of state organs, public organizations, enterprises and institutions, so that normal work, production, business, medical care, teaching and scientific research cannot be carried out, but no serious losses have been caused; ……