Abstract: The construction quality control of pumped storage power station is very important to ensure the safe operation and reliability of the power station. This paper discusses the construction quality objectives, control principles and effective measures. For quality objectives, emphasis is placed on structural stability, equipment performance and safe construction. In the management and control principles, the importance of construction norms, quality management system and personnel training is emphasized. Effective measures include the establishment of a quality management system, analysis of temporary engineering and geological conditions, construction planning and deployment, quality control, etc. Through the discussion in this paper, it can provide guidance and reference for the construction quality control of pumped storage power station.