Harmonizing the stomach and transforming dampness means to harmonize the spleen and stomach and to propagate and transform dampness. Harmonizing the stomach and transforming dampness refers to the principle of treating the evidence of disharmony between the spleen and stomach when the stomach qi is not harmonized and the middle jiao is blocked by dampness, which can be achieved by various methods such as drying dampness and moving qi, strengthening the spleen and stomach, etc., in order to get rid of the dampness and harmonize the spleen and stomach. If there are symptoms such as distension and fullness in the epigastrium (abdomen), lack of appetite, tastelessness, nausea and vomiting, it is necessary to harmonize the stomach and eliminate dampness, which can be treated with Pingtuosan; if there are symptoms such as cholera and vomiting and diarrhea, cold (cold) fever, headache, and fullness of the chest and diaphragm, it is also necessary to harmonize the stomach and eliminate dampness, which can be treated with Huoxiang Zhengqi San. It is important to note that whether or not it is necessary to harmonize the stomach and eliminate dampness needs to be judged by a doctor. In addition, if the body appears uncomfortable symptoms, should be under the guidance of the doctor’s identification of reasonable treatment, do not blindly unauthorized use of traditional Chinese medicine.