Movable warning board release device

The invention provides a movable warning board release device which comprises a shell. The shell comprises a base and a cover positioned on the base, the base is fixed to the lower portion of the cover, a driving device and a lifting device driven by the driving device are arranged in the cover, the upper end of the lifting device is fixed onto the inner wall of the cover, and the lower end of the lifting device is fixed onto the base. The movable warning board release device can be mounted on a chassis of an automobile, a movable warning board can be mounted in the release device, the release device can automatically drop the movable warning board onto a road surface, manual placement of the movable warning board can be avoided, and traffic accidents are decreased.