Gastric cancer is one of the common malignant tumors, besides treatment measures such as surgery and chemotherapy, Chinese medicine is also one of the common treatment methods. According to Chinese medicine, stomach cancer mainly belongs to the categories of “choking”, “regurgitation” and “accumulation”. Qi imbalance is an important factor to induce gastric cancer. Long-term emotional depression and stagnation of liver qi lead to spleen and stomach qi imbalance, and from qi stagnation then leads to a series of pathological changes such as blood stasis and phlegm coagulation, resulting in tumor formation. Chinese medicine has its own theory and characteristics in the treatment of gastric cancer: 1. The method of qi management can improve the evidence of qi stagnation, coordinate the balance of qi, and promote the reversal of blood stasis and phlegm clotting, which can control the formation and development of gastric cancer. It is evident that regulating qi is of great significance to the treatment of gastric cancer. Only by trying our best to reduce or eliminate the lumps can we effectively control the disease and prevent its development. At the same time, we should pay close attention to the patient’s physical condition, the timing of application, the dosage of drugs, and even the combination with other treatment methods. The restoration of positive energy helps to control, shrink or eliminate the masses. Chinese medicine treatment to support the righteousness can enhance the patient’s physique, elevate the white blood cells, reduce the adverse reactions of other treatments, etc., thus enabling the patient to gain the opportunity to receive surgery, radiotherapy and chemotherapy and to complete the whole course of treatment more smoothly. It also helps to improve the patient’s physical condition, promote recovery and prolong the survival period.