Abstract: Adapt to the new demand for investment control during pumped storage price mechanism marketization, the method of total score and classification comparison was used in the paper, mainly from the level of budget and final accounts, each part of the investment ratio and cost level, almost closing level contrast aspects of system analyzed the cost of the pumped storage for ten years. The results show that pumped storage unit kW cost will continue to rise, the hub building investment control needs to improve the design level, the existing rules in a separate charge part has great discrepancy to the actual pump storage power station construction and so on. Some management suggestions to improve the cost control level has been put forward in the paper.