The utility model discloses a bell pulse water distribution device comprises a water distribution barrel, Central Hong Straw and exhaust device, wherein the water distributor cylinder bottom is fixed on the mounting platform through the support foot; the Central Hong Straw of the first half turn sleeve is provided with a siphon destruction tube and bell cover, and extend into the water distributor cylinder; the central part of the rainbow Straw through the mounting platform and extends into the exhaust device. The utility model has the advantages of bell type pulsed water distributing device realizes continuous water drainage, the moment, the formation of periodic pulse inlet. Without power consumption, can replace the traditional diving mixer, efficient energy saving. Equipment is simple, easy operation and maintenance, long service life.