Abstract: By using the methods of field investigation and soaking extraction,the main ecological factors (Including soil,water,air and biodiversity) of Qingyan Village were investigated in order to explore the interactions between good ecological environment and human reproductive health.The results have shown that the natural environment of Qingyan Village is beneficial to human reproductive health:(1) the high content of Se in soil may have a direct relation to the high birth rate of twins; (2) the high quality surface water is also an guarantee of reproductive health; (3) the fresh air with high oxygen content,high negative ion concentration,low proportion of PM2.5/PM10 and various terpene compound plays a positive role on human health and reproductive health; (4) a stable and healthy ecosystem can also promote the development of human body; (5) a healthy and comfortable life style of the local people may be another explain for this problem.