Waterproof insulation board

The utility model relates to the technical field of insulation boards, in particular to a waterproof insulation board. The thermal insulation board comprises a thermal insulation board body, a splicing assembly is fixedly connected between the top and the side face of the thermal insulation board body, and the splicing assembly is used for connecting the multiple thermal insulation board bodies together; frame assemblies are movably connected between the outer wall of the splicing assembly and the outer wall of the insulation board body, a round hole is formed in one frame assembly, and a blocking assembly is movably connected into the round hole of the frame assembly. The plurality of insulation board bodies are connected through the splicing assemblies, gaps among the plurality of insulation board bodies are shielded through the splicing assemblies, rainwater or sunlight entering cement between the insulation board bodies and a wall body is reduced, the edges of the spliced insulation board bodies are prote