Waterproof roof structure

The utility model discloses a waterproof roof structure which comprises a base plate, a vapor-proof layer, a heat preservation layer and a connecting piece, and the vapor-proof layer is arranged on one side of the base plate; the heat preservation layer is laid on the side, away from the base plate, of the vapor isolation layer. One end of the connecting piece sequentially penetrates through the heat preservation layer and the vapor isolation layer and is fixed to the base plate, the other end, away from the base plate, of the connecting piece is exposed out of the heat preservation layer, and the other end of the connecting piece is coated with a waterproof coating. The waterproof coiled material is laid on the side, away from the vapor barrier layer, of the heat preservation layer and fixed to the waterproof coating in a hot melting mode, and the waterproof coating and the waterproof coiled material are both made of plastic materials. By means of the scheme, the overall heat preservation effect of the water