The invention discloses an integrated multifunctional hydraulic component which comprises a magnet yoke, a valve body, a valve core and a double-faced sealing base, wherein the magnet yoke is internally provided with an electromagnetic coil, the electromagnetic coil is internally provided with a movable core, and the movable core is connected with a fixed core; a return spring is between the fixed core and the valve core, the end, close to the electromagnetic coil, of the valve body is successively provided with a liquid inlet, a sealing ring I, a hydraulic adjusting opening, a sealing ring II, a pressure relief opening and a sealing ring III, the centre of the double-faced sealing base is communicated with the hydraulic adjusting opening, and one side of the double-faced sealing base is provided with the valve core, a steel ball is arranged on the other side of the double-faced sealing base, the small end surface of the valve core is connected with the steel ball, the large end surface of the valve core is connected with one side of the double-faced sealing base, and the steel ball is connected with an overflow spring. The integrated multifunctional hydraulic component is novel in design and conception and convenient in manufacturing and use, the assembly appearance is capable of changing the design thought of a homebred hydraulic control system and improving the performance, the manufacturing cost of the hydraulic control system is lowered, and the technological properties in processing of the hydraulic component is improved, the use effects of rapid supercharge, overflow pressure limiting and backflow pressure relief functions of the integrated multifunctional hydraulic component are good, and the quality is stable.