1, spicy food: dog meat, mutton, pheasant, etc.

2, spicy, cold, fried, smoked and other irritating foods.

3. Scaleless fish: Monopterus albus, loach, eel, etc.

4. Foods that are too dry, too hard and high in fat, and foods that contain more crude fiber.

5, cigarettes, wine.

Some diets for colorectal cancer are good for patients.

(1) It is advisable to eat more foods with anti-colorectal cancer effects, such as soft-shelled turtle, horseshoe crab, sheep blood, quail, cauliflower, eucheuma, walnut, coix seed, arrowhead, taro, fig, water chestnut, asparagus and carrot.

(2) Eat hedgehog meat, wild boar, kohlrabi, taro, dark plum, red bayberry, fig, loofah and bitter gourd after the emergency.

(3) Eat more foods that enhance immunity: tomatoes, honey, sweet almonds, carrots, asparagus, kidney beans, lentils, yam, sturgeon, eel, pomfret, pomfret, yellow croaker, sea cucumber, shrimp and crab, lobster, mushrooms and black fungus.

(4) Eat more foods that can expel pus and detoxify: loofah, wax gourd, sweet almond, peach kernel, buckwheat, water shield, rape, kohlrabi, houttuynia cordata, walnut, thistle, snake meat, pork loin, black-bone chicken, crucian carp, clam and snail meat.

(5) Abdominal pain, bloody stool, diarrhea, constipation, loss of appetite and other symptoms, refer to the relevant contents of small intestinal tumors.

(6) Foods that can reduce the toxic reaction of chemotherapy: soft-shelled turtle, tortoise, pigeon, quail, goose blood, mud snail, pond lice, loach, meretrix meretrix, pomfret, kiwi fruit, fig, apple, orange, mung bean, red bean, black bean, coix seed, walnut, mushroom and towel gourd.