The invention provides a split-type anti-radiation and damp-proof bed sheet which comprises a bed sheet body, wherein the bed sheet body comprises a body I and a body II which are fixedly connected with each other; an anti-skid structure is arranged on the upper edge of the body I; a pair of pillow cases is arranged on the body I, and flush with the upper edge of the body I; a waterproof cushion is arranged on the body I; the body II comprises a bottom layer and an insulation layer fixed on the bottom layer; the fixed edge of the insulation layer is fixed on the bottom layer via a connection structure; the bottom layer is fixedly connected with the body I; another anti-skid structure is arranged on the lower edge of the bottom layer; a plurality of bamboo charcoal packages are arranged on two side edges of the body I as well as those of the body II; an anti-radiation layer and a damp-proof structure are arranged on the bed sheet body.