The utility model relates to a nozzle of humidifier, pertaining to accessories of humidifier. The nozzle of humidifier comprises a nozzle assembly with limber holes, characterized in that the nozzle is equipped with a nozzle seat assembly and an adapter coupling which are all equipped with limber holes in the center. The nozzle assembly is provided with a nozzle cap with an injection spray hole, a sealing ring of nozzle and a baffle. The nozzle seat assembly is provided with a connecting part, diverting parts and the sealing ring of nozzle seat. The nozzle assembly is connected to the nozzle seat assembly which is connected to the adapter coupling. Compared to the existing technology, the utility model has the advantages and effects of that large quantity of spraying exceeds five times of common nozzle; the nozzle is not easy to be plugged and the spraying direction is easy to be adjusted.