Automatic pulse water distribution device is the use of fast flowing water in Hong Straw will head in the air away, the main pipe is formed in a certain vacuum in the container, the atmospheric pressure inside and outside the pipeline under the action of the water into the main pipe back into the pool. Because the flow is fast, can complete the cloth in a short period of time, achieve the pulse effect, stirring up the bottom of the sludge, the sewage in the pool and continuously fully mixed organic wastewater anaerobic bacteria and the full contact reaction.