Professor LI Qiangou, a famous physician in the capital, studied with Mr. GUAN Youbo, a famous physician in the capital. He has engaged in TCM clinical work for more than 60 years and put forward the theory of ten-class differentiation and medicine-food homology. He was good at the treatment of oral cavity, spleen and stomach, liver and miscellaneous diseases. Professor LI Qiangou has rich experience and unique opinions in the treatment of spleen and stomach diseases. He attaches importance to the sufficiency of healthy Qi and the enrichment of the spleen and stomach. He is good at treating spleen and stomach diseases from the theory of Qi depression and blood stasis. The stomach is an organ with more Qi and blood. All diseases are born in Qi, and long-term diseases enter the collaterals. Professor LI advocates the combination of disease differentiation and syndrome differentiation in treatment, emphasizes supplementing Qi and strengthening the spleen, and at the same time, he is equipped with drugs for promoting Qi and activating blood circulation on the basis of Sijunzi Decoction (四君子汤), better improve the clinical efficacy. In terms of nursing care, we pay attention to saving diet and unblocking emotions, and emphasize the overall concept of traditional Chinese medicine and syndrome differentiation and treatment.