The invention relates to the technical field of skin care products, and in particular relates to silkworm chrysalis active polypeptide after-sun repairing gel. The silkworm chrysalis active polypeptide after-sun repairing gel comprises silkworm chrysalis active polypeptide, summer purslane extracts, pomegranate seed extracts, tremella polysaccharide, rose essential oil, nisin, gel matrix, wetting agents, penetrating agents, triethanolamine, edetic acid, corrosion remover and the balance of purified water or normal saline. The defects of silkworm chrysalis protein and silkworm chrysalis active polypeptide are overcome; the prepared after-sun repairing gel has no odor, is easily absorbed by the skin and can effectively reduce the damage of biomacromolecule caused by the sunshine, reduce the skin problems such as melanin deposition, sunburn, skin fine lines and the like caused by the sunshine, reduce the carcinogenic possibility caused by ultraviolet damage, and simultaneously prevent the dehydration of the skin, promote the growth, the differentiation and the proliferation of cells, and keep the elasticity and the quality of the skin; moreover, the gel has multiple after-sun repairing functions.