The invention belongs to the technical field of beauty and skin care, and particularly relates to rhizoma coptidis gelatin for relieving itching, whitening skin and dispelling freckles and an application. The rhizoma coptidis gelatin is prepared through a rhizoma coptidis gelatin using device and a composition for preparing the rhizoma coptidis gelatin, wherein the using device consists of a hosebody, a liquid outlet and a pipe cover; and the composition consists of the components of water, a hydrating agent, a rhizoma coptidis standard extract, a mint extract, carbomer, triethanolamine, polyquaternary ammonium salt-73, a radix salviae miltiorrhizae extract, paeonol, an agaricus bisporus extract, dipotassium glycyrrhizinate, allantoin, a complexing agent, a preservative, a preservative synergist, PEG-40 hydrogenated castor oil and essence. The rhizoma coptidis gelatin has the efficacy of being sun-proof, removing acnes, diminishing inflammation, whitening skin, dispelling freckles, moisturizing and replenishing water, solves the problems of being sun-proof, whitening and moisturizing of the rhizoma coptidis gelatin, and adopts local rhizoma coptidis medicinal materials real in Chongqing, so that the rhizoma coptidis gelatin and the application have important significance in driving of development of the economic industry chain.