If the intestinal function of patients with stomach cancer recovers, they can generally drink astragalus water. Astragalus belongs to a traditional Chinese medicine, and its main effects are benefiting qi and promoting fluid, activating blood circulation and removing blood stasis, for the symptoms caused by insufficient qi and blood due to stomach cancer, proper drinking of astragalus water can improve the deficiency of qi in the body. After modern pharmacological research, it is confirmed that Astragalus can significantly improve the function of blood cells in bone marrow suppression and lowering of white blood cells caused by chemotherapy of gastric cancer. For patients with leukopenia, thrombocytopenia and anemia, regular consumption of Astragalus can effectively improve the level of leukocytes and platelets, especially the clinical application of Radix Astragali Fuzheng Injection, the main ingredient of which is also Radix Astragali, which can play a certain auxiliary therapeutic role for gastric cancer patients.