Door lock capable of preventing fingerprint adhesion

The utility model relates to the technical field of intelligent door locks, in particular to a fingerprint adhesion prevention door lock which comprises a lock body and a protection device, a handle, a touch screen button and a fingerprint lock piece are arranged on the surface of the lock body, and the protection device is arranged on the surface of the lock body and comprises a protection shell. The protective shell is located on one side of the lock body, two magnetic columns are fixedly connected to the surface of one side of the protective shell, two sliding grooves are formed in the surface of the lock body, and the magnetic columns are in sliding connection with the inner walls of the sliding grooves. The phenomenon that the intelligent door lock is maliciously and easily opened by lawbreakers due to the fact that fingerprints and traces are easily adhered to the key and the fingerprint lock is avoided, the situation that the safety of the intelligent door lock is poor is reduced, and then the protecti