Compared with the traditional activated sludge process, the advantages of MBR membrane treatment are obvious. The first point: after MBR membrane treatment of the water quality of the increasingly high quality and stability. The effect of the membrane separation is much better than that of the traditional sedimentation tank, and the water quality is more clear, making the suspension and turbidity close to zero. Get rid of bacteria and viruses. The treated water quality can be directly used as unquoted municipal miscellaneous water.