传统节日习俗蕴含着深厚的文化底蕴,上巳节是我国古代一个极为重要的传统节日,其节俗内容随着时间的推移而绚烂多彩,其中祓禊是上巳节最原始最古老也是最重要的活动内容。针对上巳节祓禊的内容和演变,本文从祓禊的含义入手,探源祓禊习俗产生的原因,从人们的一系列活动内容可知祓禊是为了消灾疗病、祈子盼育,这源于水的功效、源于上古先民对于水的崇拜。 Traditional festivals and customs contain a profound cultural background. The festival was one of the most important traditional festivals in ancient China. Its festivals and contents are splendid and colorful over time. The festivals are the most original and most important activities of the festival content. Aiming at the content and evolvement of Shangsi festival, this article begins with the meaning of shanxi and probes into the reasons why the custom of Shangyu originated. From a series of activities, we can see that it is a cure for disaster, The effectiveness of the water, from ancient ancestors worship of water.