The invention provides a medicined diet for people suffering from cancer in the perioperative period to eat, and relates to the field of medicined diets. The diet is prepared from, by weight, 500 parts of ginseng, 500 parts of manyflower solomonseal rhizomes, 500 parts of Chinese dates, 250 parts of donkey-hide glue, 500 parts of licorice roots, 500 parts of fructus lycii, 500 parts of ginger, 500parts of arillus longan, 500 parts of common yam rhizomes, 500 parts of hawthorn fruits, 3,000 parts of whey peptide powder, 5,000 parts of soybean peptide powder, 3,000 parts of fish collagen protein peptide powder, 150 parts of oligoprocyanidins (OPC), 50 parts of vitamin E, 250 parts of vitamin C, 0.125 part of vitamin A, 0.75 part of beta carotene, 0.005 part of vitamin D, 10 parts of vitaminB1, 10 parts of vitamin B2, 7.5 parts of vitamin B3, 5 parts of vitamin B6, 0.005 part of vitamin B12, 0.2 part of folic acid, 250 parts of fish oil and extracts, 1,000 parts of inulin, 1,000 parts of fructooligosaccharide, 400 parts of calcium, 150 parts of magnesium, 10 parts of zinc, 0.05 part of selenium and 10 parts of iron. The medicined diet can eliminate pulmonary vein thrombosis, resistinfection, improve the platelet coagulation function, reduce the blood loss, reduce the postoperative adhesion, and relieve pain and mental pressure of patients.