1.Food that is easy to digest and absorb Clinically, patients with rectal cancer will have recurrent attacks, which will lead to weaker digestive capacity in the long run. It is advisable to take nutritious nourishing flowing juice meals. As patients with rectal cancer have long diarrhea, blood in stool, fever, loss of a lot of nutrients and water, loss of body mass, weight loss, and deficiency of gas and blood, it is advisable to take nutritious nourishing flowing juice meals. 2.Foods with anti-cancer effect What do rectal cancer patients eat? The diet of rectal cancer patients should be arranged with some anti-cancer foods, such as snapper, sheep’s blood, quail, unicorn, walnut, fig, rhizome, carrot, etc.; it is advisable to eat more foods with immunity enhancement, such as tomato, honey, carrot, asparagus, knife bean, lentil, yam, sturgeon, sea eel, pomfret, yellow fish, sea cucumber, shrimp, crab, lobster, shiitake mushroom, black fungus, etc. 3.Eating more fruits and vegetables For colorectal cancer patients, they should eat more fresh fruits and vegetables, which are very helpful to the condition. Moreover, fiber can increase the amount of stool, dilute the carcinogenic agents in the colon and adsorb bile acid salts, which can reduce the occurrence of colorectal cancer. Therefore, in the usual diet, we should try to consume more vegetables, fruits and fiber and have a reasonable diet. 4.It is advisable to eat more food with pus detoxification effect On the colorectal cancer patients, in addition, we should pay attention to the food with pus detoxification, that can be chosen from loofah, sweet almond, buckwheat, Ulva, dasheen, nuclear pick, shepherd’s purse, pork loin, clam, snail meat, etc.; it is advisable to eat hedgehog meat, wild boar meat, taro, umeboshi, fig, bitter melon, etc.