NOVELTY - Enrichment acclimatization of simultaneous denitrifying and phosphorus removing bacteria comprises (i) designing and constructing a reactor design using sequencing batch activated sludge method, (ii) anaerobic /aerobic modes of operation: inoculating aerobic tank sludge sequencing batch reactor activated sludge method, enriching using phosphorus domesticated microorganisms under anaerobic/aerobic environment, and (iii) anaerobic /anoxic mode of operation: enriching and acclimatizing denitrifying phosphorus bacteria under anaerobic/anoxic environment.    USE - The method is useful for enrichment acclimatization of simultaneous denitrifying and phosphorus removing bacteria (claimed).    ADVANTAGE - The method utilizes a reactor having automatic operation and management; greatly reduces the artificial strength; saves the cost of pollution governance; has simple structure and is easy to move (claimed).    DETAILED DESCRIPTION - Enrichment acclimatization of simultaneous denitrifying and phosphorus removing bacteria comprises (i) designing and constructing a reactor design using sequencing batch activated sludge method mainly comprises water inlet system, aeration mixing system, water outlet system and time controlling system where the device has respective controller for time control, water inlet, reaction, precipitation and drainage process control, (ii) anaerobic /aerobic modes of operation: inoculating the aerobic tank sludge sequencing batch reactor activated sludge method, enriching using phosphorus domesticated microorganisms under anaerobic/aerobic environment, controlling the influent chemical oxygen demand concentration of 800 mg/l, orthophosphate concentration is 40 mg/l, measuring orthophosphate concentration daily, the water orthophosphate concentration is stable and meet emission standards to determine the enrichment domesticated completed, and (iii) anaerobic /anoxic mode of operation: enriching and acclimatizing the denitrifying phosphorus bacteria under anaerobic/anoxic environment, controlling chemical oxygen demand concentration of influent at 300 mg/l, orthophosphate concentration at 20 mg/l, collecting the water sample daily and measuring the orthophosphate concentration, the water orthophosphate concentration is stable and meet emission standards to determine the enrichment domesticated complete.