The invention discloses radix puerariae and herba dendrobii whitening cream which is prepared from the following components in parts by weight: 0.1 to 1 part of herba dendrobii polysaccharide, 0.1 to 1 part of radix puerariae flavone extract, 70 to 90 parts of olive oil, 60 to 75 parts of triethanolamine, 1 to 5 parts of glycerol, 10 to 16 parts of stearic acid, 6 to 10 parts of glyceryl monostearate and 100 to 150 parts of purified water. The whitening cream disclosed by the invention is simple in process operation, high in feasibility and stable in product quality, and effective substances in the dendrobium nobile and the radix puerariae can be fully utilized.