Door lock with V-shaped groove

A door lock with a V-shaped groove comprises a door lock body. The surface of the door lock body is provided with a V-shaped guide groove, a lock hole of the door lock is located at an enclosing end of the V-shaped guide groove. The door lock with a V-shaped groove has the advantages that the door lock solves the problem of inconvenience in inserting keys to open doors, keys can be aligned with key holes at one step, and the door lock is reasonable in structure and convenient in use.