The greenhouse micro jet will micro sprinkler upside down in a greenhouse top general use, micro spray irrigation on growing plants can not only, still can through the selection of atomizing nozzle to achieve greenhouse humidification cooling, micro sprinkler greenhouse using a rotary micro nozzle and atomizing micro sprinkler, rotating micro sprinkler mainly for irrigation, spray micro sprinkler into refraction type and centrifugal type, micro nozzle used for the system with anti drop device, to prevent the leakage of water micro jet or fittings joint is harm to the plant.