Rhubarb and Peony Soup is from “The Essentials of the Golden Poverty”, which has the effect of diarrhea and heat, breaking stasis, dispersing knots and eliminating swelling. It is often used in treating the discomfort caused by dampness-heat and stagnation of qi and blood coagulation in the intestines, and it is not used as a regular medicine for treating gastric cancer. Stomach cancer belongs to organic lesions (lesions in internal organs), so it is recommended to consult oncology department. Gastric cancer is characterized by stomach pain, vomiting, loss of appetite, emaciation, etc. It belongs to the category of “cancer” in Chinese medicine, and is mostly caused by dietary irregularities, unhealthy emotions and moods, and imbalance of work and rest, etc. Treatment should be based on the principles of regulating qi, resolving phlegm, activating blood circulation, resolving blood stasis, and relieving pain. In the formula of Rhubarb and Peony Tang, rhubarb dispels heat and blood stasis, peach kernel breaks blood and eliminates carbuncles, manganese nitrate softens and disperses knots (softens and disperses hard lumps), peony peony bark cools blood and eliminates swelling, and dongguazi cleanses the intestines and induces dampness, and all the medicines together play the role of dispersing heat and breaking blood stasis and dispersing knots and eliminating swelling. Note that this formula is strong in dispelling evil spirits, and should not be used by the elderly, pregnant women or the infirm. The specific use of the medicine should be under the guidance of professional physicians. If suffering from stomach cancer, please go to hospital for consultation and treatment in time.