Baby spleen and stomach weakness is divided into spleen qi deficiency, spleen yang deficiency, stomach qi deficiency, stomach yang deficiency, stomach yin deficiency, etc. It should be diagnosed and regulated according to different types of evidence. Spleen qi deficiency: manifested as pale face, weakness, dizziness, shortness of breath, loose stools, easy bleeding and pale blood. Treatment should strengthen the spleen and enhance qi, and the formula should be Sijunzi Tang. Spleen-Yang deficiency: manifesting as cold pain in the stomach and epigastric region, abdominal pain and diarrhea, and loose stools. Treatment should be warming and invigorating the Spleen-Yang, and the formula should be Lizhong Tang. Stomach qi deficiency: manifested as stomach pain, stomach distension, belching, belching (hiccup), little food, abdominal distension and fullness after eating. Treatment should tonify stomach qi, formula choose Astragalus Jianzhong Tang plus subtractions. Stomach Yin deficiency: manifested by dry mouth, easy hunger, stomach pain and discomfort, mouth and tongue sores. Treatment should nourish yin and benefit the stomach (replenish yin fluid and enhance the function of the stomach and internal organs), and the formula is Yi Stomach Tang. Weakness of the spleen and stomach can also be seen in the spleen does not regulate blood (the spleen can not regulate the blood), spleen deficiency and qi traps and other evidence, should be used under the guidance of the doctor to identify the drug, the above formula adverse reactions or contraindications are not clear, do not take medication without authorization, so as not to delay the condition.