The invention discloses a method and device for collecting student information based on biological characteristics. The device includes information collection and input equipment: used to collect student identity information, face information, iris information, fingerprint information, and language information, and transmit them to Information processing equipment; information output equipment: used to display and play operation instructions; information processing equipment: used to process the collected student's identity information, face information, iris information, fingerprint information, and language information, and establish corresponding The biometric information database, and transmit the biometric information database to the server of the Academic Affairs Office through the Internet. The present invention solves many problems such as the singleness of student information collection and the complexity of operation in current colleges and universities, provides a method and device for collecting student information based on biological characteristics, and uses cloud technology to send it to the school's academic affairs office through the Internet interface. It is stored in the system and has the characteristics of one-time collection and long-term effectiveness.