The utility model relates to a multi -functional sand control holddown, including the connecting rod, the long column stopper keeps off the ring, travelling valve, and the disk seat, the pump barrel, the sand sediment pipe, special gasket, fixed valve, the bridge type inlet port, the cusp chute, long -pending sand tail pipe etc. The connecting rod is connected with the long column stopper, keeps off the ring and is connected with the long column stopper, and travelling valve is connected with the disk seat, and special gasket is connected with the pump barrel, fixed valve and special pad connection, long -pending sand tail pipe is connected with the sand sediment pipe. The advantage: simple structure, the stable performance, sand control holddown function can be realized to the good seal, extension pump inspection period.