Paint rolling brush for wall

The invention discloses a paint rolling brush for a wall. The paint rolling brush comprises a rolling brush body, the rolling brush body comprises a rolling shaft, a brush cylinder arranged on the rolling shaft in a sleeving mode and a handle connected to one end of the rolling shaft through a connection rod. A paint storing hole is formed in one end, away from the handle, of the rolling shaft, the axis of the paint storing hole is parallel to the axis of the rolling shaft, a material guiding groove communicating with the paint storing hole is formed in the side wall of the rolling shaft, theaxis of the material guiding groove is parallel to the rolling shaft, a sealing plug is arranged at one end, away from the handle, of the paint storing hole, and the sealing plug blocks the opening ofthe paint storing hole. Through the paint rolling brush, the working efficiency is improved, paint does not need to be picked up repeatedly by a worker to paint the wall; and meanwhile, the situationthat when the paint is pic