Legal analysis: college students will not be notified when they are detained. According to the relevant regulations, except that it is impossible to inform or inform the suspected crimes endangering national security or terrorist activities that may hinder the investigation, a detention notice should be made within 24 hours after detention to inform the families of the detainees. The notice of detention shall specify the reason and place of detention; Before making a decision on administrative punishment, the administrative organ shall inform the parties of the contents, facts, reasons and basis of the administrative punishment to be made, and inform the parties that they have the right to state, defend and request a hearing according to law.

Legal basis: Article 127 of the Procedures for Handling Criminal Cases by Public Security Organs shall make a detention notice within 24 hours after detention, and notify the family members of the detained person, except that it is impossible to inform or inform the suspected state security or terrorist activities that may hinder the investigation. The notice of detention shall specify the reason and place of detention. Article 44 of the Administrative Punishment Law of the People's Republic of China * * * Before making a decision on administrative punishment, the administrative organ shall inform the parties of the contents, facts, reasons and basis of the proposed administrative punishment, and inform them that they have the right to state, defend and request a hearing according to law.