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 immune system enhancement, such as tomato, honey, carrot, asparagus, cut beans, lentils, yam, sturgeon, sea eel, pomfret, yellow fish, sea cucumber, shrimp, crab, lobster, mushroom, black fungus, etc.