Plastic mold for cosmetics

The utility model discloses a cosmetic plastic mould which comprises an upper mould and a lower mould, an upper mould cavity is formed on the upper mould, a lower mould cavity is formed on the lower mould, the lower mould comprises a bottom plate, a fixed forming part and a movable forming part, and the lower mould cavity comprises a fixed cavity body formed on the fixed forming part and a movable cavity body formed on the movable forming part. The side, facing the movable cavity, of the movable forming part is arranged in a reciprocating sliding mode, a limiting assembly is arranged between the movable forming part and the fixed forming part, the upper die is provided with a connecting rod which penetrates into the fixed forming part and acts along with the upper die, and a linkage assembly is connected between the connecting rod and the movable forming part. The linkage assembly is provided with a first stroke section for achieving mold opening and a second stroke section allowing the movable cavity to prot