The process of arresting people in police station: in special circumstances, the police can only show their identity and purpose by showing their police officer's cards, and then bring them back to the public security organs first, and then inform their families afterwards; If it is a general illegal act, only the parties need to sign it, and there is no need to inform their families. If they are under criminal detention, they will be informed and have time to prepare whether to ask a lawyer to defend them.

legal ground

Article 85 of the Criminal Procedure Law

When a public security organ detains a person, it must produce a detention permit.

After detention, the detained person shall be immediately sent to the detention center for custody, and shall not exceed twenty-four hours. Unless it is impossible to notify or the notification of suspected crimes endangering national security or terrorist activities may hinder the investigation, the family members of the detained person shall be notified within 24 hours after detention. After the circumstances that hinder the investigation disappear, the family members of the detained person shall be notified immediately.

................................................