The invention discloses a fingerprint lock. The fingerprint lock comprises a lock body, a front cover plate is installed at the front side of the lock body, a lock core chamber is formed in the middleof the lock body, and a rear cover plate is installed at the rear side of the lock body. The fingerprint lock is scientific, reasonable and safe and convenient to use; a dustproof cover, non-slip sponge ribs, a fixing ring, fixing springs and a fixing rubber ring are arranged; through the dustproof cover, the situation that dust in air enters the fingerprint lock through a lock hole and the connection of devices in the fingerprint lock fails can be effectively prevented, and the service life of the fingerprint lock can be effectively prolonged; through the fixing ring, the dustproof cover isconveniently fixed and is prevented from slipping in the dustproof process; a moisture-proof chamber, a drying agent and drying holes are arranged; through the drying agent, the moisture in the air inthe fingerprint lock can be absorbed and effectively prevented from causing corrosion and rust on the precise devicse in the fingerprint lock, and the service life of the fingerprint lock can be effectively prolonged.