Although uncommon, malignant melanoma is a highly malignant tumor originating from the skin and has a high mortality rate. Therefore, the key to malignant melanoma is symptomatic treatment, mainly surgical resection, supplemented by radiotherapy and tumor biotherapy. In addition to the correct treatment measures should also focus on dietary regimen. 1, in our daily life do not overeat, daily diet should be regular and quantitative, eat less and more meals. Take in enough calories and nutrition in a planned manner. 2, daily diet to eat more fresh vegetables and fruits, which can supplement the patient’s vitamin A, C, E and a variety of trace elements, enhance their own immunity and resistance. Melanoma patients can eat foods like skunk cabbage, cabbage, capers, etc. that have cancer-inhibiting effects in their daily diet. 4.Keep the bowel movement smooth, constipated patients should eat foods rich in fiber and drink some honey every day. 5.Eat less refined rice and flour in the diet, and eat more refined rice and whole grain cereals.