The invention discloses an oil supply and control device for a hydraulic clutch. The oil supply and control device comprises a hydraulic pump station and a hydraulic control valve group. The hydraulic pump station comprises an oil tank, an alternating current motor, a hydraulic pump, an air filter, an electronic liquid level and temperature meter, an electronic liquid level meter, a liquid level and temperature meter, a liquid level meter, stop ball valves, a butterfly valve, a bell jar, a bell jaw gasket, a flange gasket, a damping ring, a coupler, a plug and hoses, wherein the bell jar, the bell jaw gasket, the flange gasket, the damping ring, the coupler, the plug and the hoses are used for connection. The hydraulic control valve group comprises a valve block, a valve block installation plate, a lifting lug bolt, a plug, a filter, a one-way valve, a servo valve, an overflow valve, a pressure measuring connector, an energy accumulator, a pressure sensor and a pressure gage. Rapid engagement and pressure control can be achieved for the hydraulic clutch by means of the oil supply and control device, and the oil supply and control device has the advantages of being large in instantaneous flow, accurate in pressure control and large in flow control range.