【Abstract】 Forest can play important function of water resource conservation and soil conservation. Since 1980’s, many researches have done concerned in China. We want to preliminary summarize those works, so that to cooperate ecology construction which is developing at present in a large scale. This article is the summary of researches on redistribution of precipitation by canopies, including the conception and research method of interception, throughfall and stemflow, its influence factors, the theoretical model and empirical equation of interception.更多还原