Speed servo hydraulic control system is widely used in wave compensation crane to reduce the impact of seawave. Study on hydraulic control system of forceservo wave compensation crane is less, so the study on the forceservo wave compensation crane hydraulic system has important significance. Forceservo hydraulic system design requirements were cleared, the working conditions of the actuators was analyzed, the main parameters of the actuators were defined. Then the hydraulic system principle diagram was developed, components selection of the hydraulic system was done through parameter calculation. The forceservo wave compensation crane hydraulic system performance was checked to judge whether its hydraulic system design was reasonable, then the hydraulic system could be improved and perfected.