The invention provides a detachable tail light structure for a vehicle, and belongs to the technical field of special vehicles. The vehicle comprises an automotive frame. The detachable tail light structure comprises a plug bush fixing seat which is fixed on the automotive frame, a plug bush which is fixed on the plug bush fixing seat in a horizontal cantilevered state, a tail light holder and a tail light holder control mechanism, wherein the end, facing the plug bush, of the tail light holder is in plugging match with the plug bush, and the end, far from the plug bush, of the tail light holder forms a horizontal cantilevered end; a locking plate is fixed in the middle of the tail light holder, and a tail light assembly is fixed at the horizontal cantilevered end; the tail light holder control mechanism is used for quickly locking or quickly unlocking the tail light holder, and is arranged on the plug bush; when the tail light holder control mechanism is connected with the locking plate, the tail light holder and the tail light assembly are locked on the plug bush; and when the tail light holder control mechanism releases the connection with the locking plate, the tail light holder and the tail light assembly are plugged away from the plug bush. The detachable tail light structure is quick to operate, and can meet the requirement for preventing the tail light assembly from being broken when the tail part of the vehicle is waded or is interfered with a loading platform.