For the results of treated waste water by the anaerobic and aerobic alternating biologic treatment system, and the discharging water achieves the national standard,achieves the waste water circulation reusing by the membrane method.The research was done membrane depth processing experiment on the papermaking original waste water processing system.The result indicated the release water recovery may control above 70%,the reuse water quality is transparent achromatic color,SS and COD are extremely few the wast...