The substantial role of land-climate interaction in the earth system has been widely and long-term concerned. However, until recently less attention has been paid to the relationship between soil moisture and climate changes over East Asian. 地球系统中的陆-气相互作用长期以来得到了广泛的关注,但直到现在,对东亚大陆的土壤湿度与气候关系的研究仍非常少。