The invention provides a dimming makeup base which comprises propylene glycol, glycerol, cyclopentasiloxane, octyl methoxycinnamate, tocopheryl acetate, synthetic grease, hectorite gel, nano-grade silicon treated titanium dioxide, polydimethylsiloxane, PEG-9 polydimethyl silica dimethylpolysiloxane, PEG-10 dimethyl polysiloxane, a mixture of dimethyl polysiloxane PEG-10 / 15 cross-linking polymer and dimethyl polysiloxane, phenyl trimethicone, polymethyl methacrylate, organic silicone elastomer, sodium citrate, sodium chloride, sodium hyaluronate, organic toner, preservative, silicon treatment pearl powder and the like. The dimming makeup base provided by the invention can effectively block makeup, has good effects of sun blocking, whitening and beautifying (physically) and moisturizing, can remarkably improve the stability, and meanwhile can effectively brighten the skin color and enable the skin to be in a natural glossy state.