Colon cancer generally any kind of fish can be consumed in moderation, such as blackfish, crucian carp, grass carp and so on. Colon cancer is a malignant tumor of digestive tract of colonic epithelial origin, the cause of which is not yet clear, and may be caused by improper diet, heredity, nervousness, chemical carcinogens, and poor living habits. During the treatment period, patients need to eat appropriate food with high quality protein, such as blackfish, crucian carp, grass carp, perch, mackerel, etc., the protein content of which helps to enhance the patient’s resistance and is conducive to promoting the recovery of the disease. At the same time, eat more fresh fruits and vegetables, such as strawberries, bananas, oranges, corns, carrots, etc. Avoid oily, spicy and stimulating foods. Patients with colon cancer need to actively cooperate with doctors to take relevant treatment measures, and during the treatment period, once abnormal discomfort occurs, they need to consult doctors in time. In daily life, patients should ensure sufficient rest, do not overwork, and should combine work and rest.