The present invention relates to a wide-angle spraying nozzle, which comprises a main body, and a guiding chamber is formed in the main body. with a connector provided at the top of the main body is configured to have a lead-in hole penetrating through the guiding chamber. Then, a nozzle portion enclosing the guiding chamber is provided on the bottom of the main body. A long groove recessed into the nozzle portion is provided below the guiding chamber, and a nozzle opening penetrating the long groove upwards is provided on the bottom side of the nozzle portion. Therefore, the fact that the nozzle is obliquely expanded downwards with a wide-angle chute perpendicular to the long groove is an excellent basis.本發明係指一種廣角噴頭,具有本體,該本體內設有導引室,且該本體上方設有接頭,該接頭設有貫穿該導引室之引入孔,而後,該本體下方設有封閉該導引室之噴嘴部,該導引室下方設有下凹入該噴嘴部之長槽,且該噴嘴部底側設有朝上貫穿該長槽之噴口,該噴口朝下斜擴有垂直該長槽之廣角斜槽的事實優異依據者。