Municipal building sound insulation wall

The utility model relates to a municipal building sound insulation wall which comprises a base, a municipal building sound insulation wall assembly is arranged at the top of the base, the municipal building sound insulation wall assembly comprises an installation base fixedly installed at the top of the base, and a sound insulation wall body penetrating to the top of the installation base is fixedly installed at the bottom of a cavity of the installation base. And a plurality of fixing bolts penetrating into the sound insulation wall body are mounted on the right side of the mounting base in a threaded manner. According to the municipal building sound insulation wall, noise generated by automobile running is isolated through the sound insulation wall body mounted in the mounting base, water is supplied to the water supply pipeline when the sound insulation wall body is dirty, and then the water supply pipeline supplies water to the water guide pipeline; water is guided into the water collecting box through th