Chinese medicine believes that “food and medicine are one”, and food therapy should be valued as an adjuvant therapy for cancer patients. There are many recognized anti-cancer foods among common foods, such as figs, shiitake mushrooms, garlic, asparagus, barley, cabbage, carrots, celery, monkey head mushrooms, kelp and so on. The following categories are introduced: a. Liver and kidney nourishment: snapper, sea bass, sea shrimp, hazelnut, duck, cavity bone, black beans. These foods can regulate immunity, improve the transformation of lymphocytes and promote bone marrow hematopoiesis. Reasonable dietary applications can help post-operative recovery and improve post-radiotherapy weakness, anemia and leukopenia; second, benefit qi and nourish blood: quail eggs, wood eggs, goose liver, black fungus, wolfberry and silver fungus. This kind of food is used for cancer after surgery, or long time after radiotherapy, still dizziness, less energy, sweating, light tongue with white coating, weak pulse. Three, strengthen the spleen and stomach category: yam, lentils, lotus seeds, dates, monkey head mushrooms, barley, ginger, radish, lotus root, fennel. When is it good to use these kinds of foods? Some cancer patients receiving cisplatin chemotherapy, during or after chemotherapy, loss of appetite, anorexia, nausea and vomiting, frequent belching and erratic, Chinese medicine believes that this situation is mostly due to spleen and stomach disharmony, the correction method is to strengthen the spleen and stomach, these foods are good for strengthening the spleen and stomach. These foods are good for the spleen and the stomach. These foods are good for the yin and the stomach: reed root, lily, bird’s nest, pineapple, pear, asparagus, grapes, rock sugar. Patients with advanced cancer often suffer from qi and yin deficiency due to disease consumption or treatment injury, which manifests as dry mouth and tongue, unfavorable throat, skinned lips, mouth ulcers, etc. The tongue is red, with little or no moss, and the pulse is weak, which often belongs to yin deficiency and fluid injury, so the reasonable application of such food can effectively improve the symptoms. 4. Clearing heat and detoxification: bitter chrysanthemum, celery, wild gong ying, mung bean, loofah, yellow flowering cabbage, heartwort, etc. During radiotherapy (TCM considers rays as heat poison), or during fever of cancer patients with infection, manifested as cough, unfavorable throat, phlegm in the throat, fever, dry mouth, bitter mouth, sores on the tongue, yellow tongue, yellow tongue coating, dietary use of such foods in reasonable combination can help the condition recover. V. Blood circulation and blood stasis: Cigu, shiitake mushroom, kelp, eggplant, sea jelly, red beans, etc. Cancer patients with long-term chronic pain, dark purple face, dark tongue and stasis spots on the tongue body are considered to have stasis of blood in Chinese medicine, so the use of these foods in dietary therapy can help regulate the body and improve the condition.