Switch valve of water supply pipeline

The utility model relates to a water supply pipeline switch valve which comprises a ball valve body, a detachable filtering assembly is arranged at a water inlet of the ball valve body, a first filter screen is arranged on an opening of a ball body of the ball valve body, the filtering assembly comprises a filtering cavity and a filtering box, the filtering cavity is arranged at the water inlet of the ball valve body, first through holes are formed in the two sides of the filtering cavity, and a second through hole is formed in the filtering box. A cavity cover is detachably connected to the bottom of the filtering cavity, second through holes corresponding to the first through holes are formed in the two sides of the filtering box, a transverse plate is arranged on the lower portion of the inner wall of the filtering box, a U-shaped plate is arranged on the transverse plate in an inserted mode, a side plate of the U-shaped plate abuts against the inner top of the filtering box, and a second filtering net is