A campus lost and found system comprises a server, a mobile terminal and a fixed terminal. The mobile terminal comprises a man-machine interaction module A and a communication module A. The mobile terminal is in communication connection with the server through the communication module A. The fixed terminal comprises a scanning module B, a printing module, a storage compartment, a man-machine interaction module B, a main control chip and a communication module B. The fixed terminal is in communication connection with the server through the communication module B. A lost and found method is applied to the campus lost and found system, and comprises an owner of lost property code pasting step and a lost property picker returning step. The campus lost and found system and the lost and found method have the advantages that after picking the object with a sticker pasted, a lost property picker can contact the owner of lost property by scanning the user identification code on the sticker through the mobile terminal, so that the return details can be agreed, the one-to-one handover mode is more convenient and quicker for the lost property picker and the owner of lost property, the findingrate of the lost object is increased, and the personal privacy of the owner of lost property is well protected.