”Fu Zheng Pei Ben” is the most important and widespread method in Chinese medicine for treating gastric cancer and other malignant tumors. Modern research has confirmed that Fu Zheng Pei Ben method can improve the body’s immune function and maintain the stability of the internal environment, and some Fu Zheng Pei Ben drugs have antioxidant and free radical scavenging effects. The treatment of Fu Zheng Pei Ben mostly starts from benefiting Qi and strengthening the spleen, commonly used drugs include Dang Shen, Atractylodes Macrocephala, Poria, Astragalus, White Lentil, Yam and Job’s Tear. On the basis of benefiting qi and strengthening spleen, it is necessary to combine with dialectical treatment and choose drugs to nourish yin and promote fluid, dredge liver and harmonize stomach according to patient’s constitution. However, just helping the righteousness is not comprehensive. Considering the localized situation is real, we must mainly help the righteousness and eliminate the evil at the same time. Commonly used treatment methods to dispel evil include regulating qi and resolving phlegm, activating blood circulation and removing blood stasis, clearing heat and detoxifying toxins, etc. Dysregulation of qi and phlegm-dampness are important factors in triggering gastric cancer, and qi stagnation in spleen and stomach can be seen in early, middle and late stages of gastric cancer. Stasis and poisonous internal obstruction is a common pathological mechanism shared by many tumors, and activating blood circulation and removing stasis is an important element in the treatment of gastric cancer to dispel evil, as well as an important rule in the treatment of difficult and stubborn diseases. Patients in the stage of tumor progression and deterioration often show symptoms such as fever, enlarged mass, burning pain, etc., which are mostly manifestations of internal heat and toxicity in TCM. Heat-clearing and detoxifying drugs can control and reduce the inflammatory reaction around tumor tissues, directly or indirectly inhibit and kill tumor cells, and thus play the role of inhibiting tumor development to a certain extent. As tumor disease is stubborn and complex, one or two treatments are often not competent to treat it. It is necessary to take into account the overall and local characteristics of the disease, and to organically combine various treatments in order to achieve better results.