中牟位于河南省中部,隶属省会郑州市,东接古都开封,西邻省会郑州,土地总面积1393 km2;气候条件良好,生态环境优良,属典型的暖温带大陆性季风气候;水资源比较丰富,年平均可利用总量5.50亿m3,全县年均降水量616 mm。文章根据水均衡原理评价分析中牟县2013年浅层地下水动态水量平衡。 Zhongmu is located in the central part of Henan Province, under the capital of Zhengzhou City, east of the ancient capital of Kaifeng, west of Zhengzhou, the provincial capital, the total land area of ​​1393 km2; good climatic conditions, excellent ecological environment, is a typical warm temperate continental monsoon climate; The average total available 550 million m3, the county average annual rainfall of 616 mm. The paper evaluates and analyzes the dynamic water balance of shallow groundwater in Zhongmu County in 2013 according to the principle of water balance.