Li Yubin, graduated from Beijing University of Chinese Medicine, majoring in Chinese Medicine, is a practicing Chinese medicine practitioner. He studied under Mr. Ren, a folk Chinese medicine practitioner, and deeply studied the classical theoretical system of Chinese medicine based on the four sages and the source of mind. He is good at studying Chinese medicine from the perspective of elephant and guiding clinic. It has obvious curative effect to observe the image based on syndrome differentiation, take medicine according to the image and combine the image. Clinically, he is good at treating various nephropathy, other internal miscellaneous diseases and common diseases of women and children. He is in charge of the source of the Four Sages, and he is the author of Deciphering the Code of TCM Treatment-Clinical Syndrome Differentiation.