Bypass liquid return hydraulic control one-way valve

The utility model discloses a bypass liquid return hydraulic control one-way valve. Wherein the valve body is provided with a liquid supply port, a working port, a control port and a liquid return port; a one-way valve element assembly and a bypass valve element assembly are arranged in the valve body. Wherein the working cavity is connected with a working port, the liquid supply cavity is connected with a liquid supply port, and the first pressure relief cavity is connected with a control port. The liquid return device comprises a mounting hole communicated with the liquid return port. A hollow valve core matched with the liquid return opening is arranged in the mounting hole; a pushing spring in contact with the end surface of the mounting hole is arranged in an inner cavity at the tailpart of the hollow valve core; the outer side of the hollow valve element is sleeved with a first sealing ring and a second sealing ring which are connected with the side wall of the mounting hole ina sealed mode, a temporary