Fabricated building thermal insulation wall

The utility model relates to a fabricated building thermal insulation wall. The fabricated building thermal insulation wall comprises a wall body, protective layers are fixedly installed on the left side and the right side of the wall body correspondingly, a clamping plate is fixedly installed on the front side of the wall body, first bevel angle plates are fixedly installed on the left side and the right side of the clamping plate correspondingly, a connecting groove is formed in the back face of the wall body, and openings are formed in the inner walls of the left side and the right side of the connecting groove correspondingly; and elastic cotton plates are fixedly installed on the inner walls of the openings, second bevel angle plates located in the connecting grooves are fixedly installed on the opposite sides of the two elastic cotton plates, and sponge plates are fixedly installed on the inner walls of the connecting grooves. According to the fabricated building thermal insulation wall, gaps between th