The present patent application relates to a plant protein and mineral powder-based collagen mask, comprising the following constituents by weight percentage: Soya Protein: 1.2-1.5 Ethylene Glycol Phenyl Ether: 0.2-0.5 the rest is purified water. The plant protein and mineral powder-based collagen mask produced by the formula of the present patent application has a strong hydrating function. The moisture content of the plant protein and mineral powder-based collagen mask can be as high as 90%. When meet 37-38 degree body temperature, the plant protein and mineral powder-based collagen mask will release moisture slowly and fully releases after 4-5 hours, so that the skin always keep being moist. Meanwhile, the plant protein and mineral powder-based collagen mask of the present patent application will not suck back the moisture of the skin.