Because one of the main components of Xiangdanqing is Ke Qingsu. Xiangdanqing, also called "Ke Yan Xiangdanqing", is a traditional Chinese medicine decoction piece. It is called "Ke Yan" because one of the main components of Xiang Danqing is Ke Suqing, and the word "rock" means beauty and elegance, so the words "ke" and "rock" are combined to form the name of "Ke Yan". Xiangdanqing is widely used to treat hepatobiliary diseases, digestive system diseases, immune system diseases and other diseases, with good curative effect and clinical application value.