Abstract: This paper describes the development of the integrative MBR（Membrane Bioreactor）equipment for intermediate water treatment and its technological process，principle and electric control system and application of sewage treatment new countryside.The practice showcd that this MBR can fully meet the requirements of sewage treatment and reclaimed water reuse.The water quality indices of effluent such as COD，BOD5 and SS reached or exceeded the national standards for reclaimed water reuse and miscellaneous use water for city（GBT 189192002）.