Composite thermal insulation external wall panel

The utility model belongs to the field of buildings. The composite thermal insulation external wall panel comprises a thermal insulation wall body prefabricated by thermal insulation materials, the outer wall face, located on the outer side, of the thermal insulation wall body is covered with a first metal net plate, and the side, away from the thermal insulation wall body, of the first metal net plate is covered with a first decorative plate; a first limiting inserting rod is further included, one end of the first limiting inserting rod is provided with an end cap, the end cap is embedded into the first decoration plate, the other end of the first limiting inserting rod is provided with a conical bottom, and the conical bottom penetrates through the first metal net plate to be inserted into the heat preservation wall. The external wall panel is simple in structure, is prefabricated and formed, and can be assembled and mounted on a foundation wall body on a construction site after being produced in batches in