The invention discloses a health-care food with functions of improving skin moisture and reinforcing immunity. The health-care food comprises the following components in percentage by weight: 1.0 to 80.0 percent of collagen peptide powder, 0.1 to 40.0 percent of glucosamine, 0.1 to 30.0 percent of aloe extract, 0.1 to 50.0 percent of vitamin C (ascorbic acid), and 0.0 to 90.0 percent of auxiliarymaterials. The health-care food can be made into tablets, powder, particles, hard capsules, soft capsules, oral liquids and other oral preparations with various flavors. By virtue of a scientific formula, the raw materials with exact efficacies are compatible reasonably, the collagen peptide powder, the glucosamine, the aloe extract and the vitamin C (ascorbic acid) are selected as main raw materials, and the corresponding auxiliary materials can be selected according to different oral preparations. Furthermore, the selection, purchase, preparation and other aspects of the raw materials are completely operated according to related regulations of health-care foods, so the advancement and stability of the product are ensured; and the health-care food is safe, efficient and stable, and has controllable quality by adopting a modern preparation process matched with a strict quality control method. Toxicological safety tests and function tests prove that the health-care food can be used foreffectively improving the human skin moisture and reinforcing the human body immunity.