The invention relates to a formula and a making method of collagen function supplementing food. The formula comprises pig trotters, pigskin, poultry soles, poultry wings, astragalus membranaceus, angelica sinensis, American ginseng, jujubes, longan, Chinese wolfberry fruits, oatmeal, black sesame seeds, walnut kernels and donkey-hide gelatin. The making method comprises the following steps: 1) processing animal food materials; 2) processing the plant food materials; (3) conducting boiling; (4) conducting mashing; 5) processing the auxiliary materials; and 6) carrying out mixing and packaging. The formula and the making method of the collagen function supplementing food have the advantages of reasonable composition, optimized formula, environmental protection, simple operation, effective eating and no side effects; the raw materials are all food materials, can be taken for a long time, can generate satiety in cooperation with the oatmeal, and can be eaten as meal replacement; and the food is suitable for single packaging, transportation and long-term storage, and has good practicability and market promotion value.