Abstract: In order to To meet the demand for welding corrugated panels for containers and achieve precise positioning control of the panel during welding, a hydraulic system for a four-cylinder synchronized lifting device for container corrugated panels has been designed. Using the AMESim software, a hydraulic system position control system model was constructed, including a servo valve and external load, and was subjected to simulation analysis. The analysis results showed that by employing a proportional servo valve to control the synchronization of the hydraulic cylinders, and incorporating a composite control strategy of integral-separate PI and feedforward, the dynamic synchronization error can be controlled within ±0.4mm, and the steady-state synchronization error can be controlled within ±0.3mm. The design scheme can meet the requirements of equipment development. Through simulation analysis of this hydraulic system position control system model, the feasibility of the design is verified, providing strong support for the actual production process. Additionally, optimization adjustments can be made based on the simulation results to further improve the system's performance and stability.