Shao yin evidence refers to the position of the disease in the half-expression and half-li, while shao yin evidence refers to the fact that the evil qi is in the li, mostly related to the heart and kidney, which can be differentiated according to the manifestations of the evidence. 1. Shaoyang evidence refers to the evil attacking the gallbladder and internal organs, and the evil and the positive are in the half-expression and half-li position. That is, it is located between the sun and yangming. The main manifestations are cold and heat (the body will be hot and cold), dry throat, heartburn, desire to vomit, bitter mouth, not thinking of food, and stringy pulse. It can be treated with Xiao Chai Hu Tang. 2. Shaoyin syndrome is a symptom of generalized deficiency of yin and yang in the later stages of exogenous diseases. It can be divided into Shaoyin Cold Evidence and Shaoyin Heat Evidence. Cold syndrome has cold (fear of cold), cold limbs, diarrhea, lethargy and other clinical manifestations, can be used in the power of the four reversed soup ah; while the manifestations of the heat syndrome have heartburn, insomnia, dry mouth, tongue red and less fluid and other manifestations. It can be treated with Huanglian Wenzhi Tang. Please use the medicine under the guidance of physician.