Thermal insulation mortar and molding polystyrene board compounding outer-wall external thermal insulation system

The utility model discloses a thermal insulation mortar and molding polystyrene board compounding outer-wall external thermal insulation system. The thermal insulation mortar and molding polystyrene board compounding outer-wall external thermal insulation system is characterized by comprising an adhesive layer, a graphite polystyrene board layer, an interface mortar layer, a zinc-plating electrowelding net layer, a thermal insulation mortar layer, an anti-cracking mortar layer and a surface layer which are sequentially arranged from inside to outside. Cement mortar plaster of a base layer wall is coated with the adhesive layer, the graphite polystyrene board layer adheres to the adhesive layer and is coated with the interface mortar layer, the interface mortar layer is coated with the thermal insulation mortar layer, the zinc-plating electrowelding net layer is arranged in the thermal insulation mortar layer and fixed on the base layer wall through an anchor bolt, the thermal insulation mortar layer is coated