Building sound insulation building board convenient to assemble

The utility model discloses a building sound insulation building board convenient to assemble, which comprises two building board bodies, rubber pads are sleeved on the outer sides of the two building board bodies, a reinforcing assembly is arranged between the two building board bodies, and the reinforcing assembly comprises two strip-shaped boards which are symmetrically arranged and fixedly arranged on the back surfaces of the building board bodies. And two grooves are symmetrically formed in one sides of the two strip-shaped plates, a square frame is arranged between the two building plate bodies, reinforcing rods are symmetrically arranged on the two sides of the square frame in a sliding and sleeving mode, and one ends of the two reinforcing rods are inserted into the two grooves correspondingly. According to the sound insulation building board convenient to assemble, through cooperative use of the reinforcing assemblies, the splicing grooves, the positioning grooves, the U-shaped frames and the spheric