The invention relates to the field of medical food and discloses a tumor recovery type aquatic collagen peptide food. Every 100g of tumor recovery type aquatic collagen peptide food contains various nutritional ingredients, including 12.4-14.4g of tuna skin collagen peptide powder, 7-8g of shark skin collagen peptide powder, 3.5-4.5g of whey protein powder, 10-12g of MCT fat, 9-11g of LCT fat, 41-42g of carbohydrate, 2.4-2.6g of ganoderan, 2.4-2.6g of agaricus blazei murill polysaccharide, other vitamins and microelements. The tumor recovery type aquatic collagen peptide food is fit for tumor radiotherapy and chemotherapy patient, can intervene cell division cycle, is beneficial to inducing tumor cell apoptosis, can relieve the burden of visceral organ and enhance immunity of the organism, is fit for malnourished cancer patients including patients suffering from malignant diseases, anorexia, chewing dysphagia, and the like, can effectively relieve the side reaction appearing in the process of radiotherapy and chemotherapy and can effectively relieve the emesis symptom and reduce the tumor metastasis.