The invention provides a hydraulic fruit picking manipulator, and belongs to agricultural tools. The manipulator comprises wheels, a chassis, a rotary device, a supporting rod, a pitching hydraulic cylinder, a telescopic hydraulic cylinder, a spring, a manipulator body, a spring base, a hinge rod, a connection rod, manipulator claws and rollers. The wheels are arranged on the chassis so that the manipulator can operate stably, the supporting rod and the chassis are hinged together through the rotary device, the supporting rod can rotate by 360 degrees, and the pitching hydraulic cylinder and the telescopic hydraulic cylinder enable the manipulator body to pitch and stretch and retract respectively. The manipulator body is composed of the three manipulator claws which are hinged through the connection rod and the hinge rod, the tops of the three manipulator claws are provided with the rollers, the hinge rod and the spring base are connected through the spring, and a locking device is an electromagnetic device. When the manipulator is locked, the spring base is powered on and attracts an iron core, and accordingly the spring has no effect. The manipulator has the advantages that safe picking of fruits is finally achieved by means of the hydraulic cylinders, the rollers, a connection rod mechanism, the spring and the like, and economic benefits are improved.