The invention relates to the field of intelligent locks and discloses an intelligent lock, a riding bicycle, an intelligent bicycle locking method and device, and a mobile terminal. The intelligent lock comprises a lock body, a locking device and a lock cylinder contained in the lock body. The lock body is provided with a first opening and a second opening. The lock cylinder is provided with a first position, a second position and a third position. The locking device is used for receiving a temporary leave unlocking command and locking the second position of the lock cylinder to the first opening according to the temporary leave unlocking command. In this way, a user can reserve the right to use when leaving the bicycle for a short time, others can judge whether the bicycle is available ornot, the bicycle service conflict is effectively reduced, and the bicycle service efficiency is improved.