The winter concrete construction of water conservancy projects is mainly affected by freezing and thawing cycle.This results in the performance degradation of concrete member and affects the quality of water resources projects.Aimed at the characteristics of freeze-thaw cycle,the main points of winter concrete construction is analyzed and some requirements proposed.Aimed at the characteristics of low temperature environment in winter ,the concrete curing method is stated .Finally,the construction quality control of hydraulic engineering concrete is analyzed and the establishment of construction quality management system and the process control of quality management are put forward.