Locking module of door lock mechanism, door lock mechanism and vehicle

The utility model discloses a locking module of a door lock mechanism, the door lock mechanism and a vehicle. The locking module of the door lock mechanism comprises a first movable arm and a second movable arm, the matching piece is arranged on the first movable arm to drive the first movable arm to rotate; the driving assembly drives the matching part to be switched between an unlocking state and a locking state; at least one part of the second movable arm, at least one part of the first movable arm and at least one part of the driving assembly are arranged in a stacked mode, in the unlocking state, the matching piece is matched with the second movable arm, and the second movable arm drives the first movable arm to rotate through the matching piece; and in the locking state, the matching piece is separated from the second movable arm. The locking module of the door lock mechanism can lock the door lock mechanism, better safety guarantee is provided for children or other special users, and the door lock mech