The utility model discloses a three plugs of high temperature high pressure well well cementation cementing -head device, upper end confined cementing -head body and base including the tube -shape, follow the supreme plug that has set gradually down in the cementing -head body, well plug, go up the plug, the lateral wall of cementing -head body be provided with respectively with plug down, well plug, go up and release the backing pin under the plug complex, well release backing pin, on release the backing pin, the lateral wall of cementing -head body is connected with washes the pipeline valve, first cementing valve, second cementing valve, for the thick liquid valve, wash the below of pipeline valve at cementing -head this internal exit plug under in, first cementing valve exit is under in between plug and the well plug, the exit of second cementing valve is between well plug and last plug, exit in the top of last plug for the thick liquid valve. The utility model discloses can effectively improve the cementing quality, shorten the well cementation activity duration to can reduce the risk during the well cementation.