All-round adjustable Yongquan plug nozzle, can a precise adjustment of irrigation volume and coverage (also can be completely shut down), according to topography and wind and other factors to choose from, multi-form wind, water evaporation fog, anti-oxidation aging, Anti-clogging performance, can be combined with fertilization to achieve the integration of water and fertilizer, etc., suitable for planting in the mountains, wind, evaporation of shrubbery crops. In addition, the emitter is also well-suited for the irrigation of potted plants.