Melanoma is a type of cancer with a low proportion, but there are still many people suffering from this disease. Patients need to match treatment with a reasonable diet to help their recovery. 1. The diet should be regular, quantitative, small meals and many meals. Adequate calorie and nutrition should be taken in a planned manner. Smaller and more frequent meals are more suitable for GI cancer patients. 2.Eat a diet rich in vitamin A and vitamin C. Eat more green vegetables and fruits. Melanoma patients often eat nutritious dried fruit and seed foods, such as sunflower seeds, sesame seeds, pumpkin seeds, peanuts, raisins, etc.. These foods contain many vitamins, mineral sanctions and fiber, protein and non-saturated fatty acids. This is also one of the dietary contraindications of melanoma. 3, drinking tea in moderation. Tests have shown that certain components of tea have anti-cancer effects and can inhibit cancer cells in diseased organisms. Drinking tea can fight the harm of smoking; tea can also be diuretic, which is conducive to the elimination of edema; it can also reduce the radiation damage of radiation, which has an anti-radiation effect. Therefore, it is beneficial and harmless for cancer patients to drink tea appropriately. However, tea contains more tannic acid and its astringent effect hinders the absorption of vitamins, so tumor patients with qi deficiency and blood deficiency should not drink too much tea and strong tea. Do not drink tea at the same time when taking Chinese medicine, so as not to affect the absorption of Chinese medicine, and can drink at different times. 4.Eat foods that contain carcinogenic effects, such as skunk cabbage, cabbage, capers, etc. 5.Avoid smoking and alcohol. Alcohol and nicotine, tar, etc. are related to the incidence of certain cancers. The U.S. Department of Drug Supervision in Boston has shown that alcohol is associated with the occurrence of breast cancer, colon cancer, thyroid tumors and malignant melanoma. It has been reported that alcohol consumption by women will increase breast cancer by 20% to 60% and thyroid tumors by 20% to 70%. 6. Do not eat salted and smoked food, especially baked and caramelized food. 7, adhere to a low-fat diet, often eat some lean meat, eggs and yogurt.