After surgery, colon cancer patients should choose light and easy-to-digest food, ensure protein intake, eat more fresh fruits and vegetables, and drink more water. 1. Choose light and easy-to-digest food: for example, millet porridge, corn porridge, soybean milk, steamed bread, softer noodles and so on. 2. Ensure protein intake: patients can eat more beans, milk, eggs and so on. For example, milk, eggs, soybeans or soy products. 3. Eat more fresh fruits and vegetables: such as cabbage, tomatoes, spinach, greens, bananas, apples, dragon fruits, grapes and so on. 4. Drink more water: patients with colon cancer should drink more water and keep the bowel movement smooth. Patients with colon cancer should not smoke and drink, do not eat spicy and stimulating food, patients should not overeat, eat small and frequent meals, and do not eat too hard and indigestible food. Patients with colon cancer are advised to consult doctor in time if they feel sick to avoid aggravation of their condition.