Intelligent bicycle lock

The invention discloses an intelligent bicycle lock which comprises a lock body, a U-shaped lock tongue, an electronic unlocking control device, a lock fixing part and a locking mechanism, wherein theelectronic unlocking control device is electrically connected with the locking mechanism and is used for controlling the locking mechanism to lock the U-shaped lock tongue or release the U-shaped lock tongue; a guide hole is formed in the lower part of the left side of the lock body; a locking mechanism mounting cavity is formed in the lower part of the right side of the lock body; a clamping groove is formed in one end of the U-shaped lock tongue; the other end of the U-shaped lock tongue takes the shape of a column and is matched with the guide hole; the electronic unlocking control devicecomprises a password digit keyboard, a fingerprint recognizer, a microcontroller, a sound-light alarm, an electromagnetic driving module and a power supply; and the outer surfaces of the lock body, the password digit keyboard,