A brake module capable of preventing the occurrence of flow in a free hinge in the event of the occurrence of a collision, etc., is provided. The brake module is provided on a support frame installed in a vehicle, is connected to an object provided to relatively rotate with respect to the support frame and restrains the rotation of the object, and releases the rotation restraint of the object when an external force is applied. With this configuration, it is possible to prevent the occurrence of flow in a free hinge in the event of the occurrence of a collision, etc., and to prevent the deformation of a seat frame, so that passenger safety accidents can be prevented.