The invention discloses a pure plant edible freckle-removing mask and a use method thereof, relating to the technical field of skincare. The mask is prepared from the following raw materials: sticky rice flour, vitamin C, coix seed flour, milk powder, edible gypsum powder, oat powder, vitamin E, honey, lemon juice, edible vinegar and egg yolk. Mask components are regulated according to use time. During one to seven days of use, a basic preparation job is made for removing freckles and inhibiting melanin generated in dermis in following days; during 8-15 days, the melanin is reduced; during 16-18 days, cell metabolism is promoted; and during 19-20 days, the mask has effects of smoothing skin and inhibiting sensitivity, so as to keep the skin vibrant. All raw materials of the mask are food level, thereby being purely natural, containing no additives and causing no allergy, therefore, the mask solves the problems that existing mask is easy to cause allergy and grow bacterium, makes the skin more transparent effectively, reduces the melanin, and has good effects in removing the freckles, moisturizing and whitening.