There are many dietary taboos for cancer patients, such as beef and mutton, shrimp and leeks. They are all warm or hot, and broadly speaking, they belong to the homologous parts of traditional Chinese medicine. Because of the influence of radiotherapy and chemotherapy, the digestive tract function of cancer patients is weak, so they should try to avoid eating cold, greasy and sticky food, so as not to hinder the transportation of spleen and stomach.