An improved anti-wound joint of a pesticide spraying pipeline comprises: a first joint body, a second joint body, a connecting tube, two spacer disks, a plurality of balls and a rotating screw, wherein the first joint body has a first The first end is internally provided with a first thread, the second end is extended with an extension tube portion, and the outer portion of the extension tube portion is provided with a second thread, and the second joint body is provided at one end Extending a convex neck, and the second joint body and the inner portion of the convex portion are respectively provided with a third thread and a fourth thread, and the connecting tube has a set of connecting portions and a connecting portion on both sides, the connecting portion and the inserting portion The connecting portion is separated by an enlarged retaining edge, and the connecting portion is provided with a fifth thread, the rotating screw has a driving disc and a positioning seat integrally connected, and a stepped hole is penetrated through the center of the end surface, and the The sixth thread is provided on the outer periphery of the positioning seat.一種農藥噴灑管路防纏繞接頭改良,其包含有:一第一接頭本體、一第二接頭本體、一接管、二間隔盤、數滾珠與一旋轉螺,其中,第一接頭本體具有一第一端與一第二端,該第一端內部設有第一螺紋,第二端上則縮徑伸出有一延伸管部,及該延伸管部外周係設有第二螺紋,第二接頭本體一端伸出有一凸頸,且該第二接頭本體與凸頸內部係分設有第三螺紋與第四螺紋,接管具有位於兩側的一組接段與一插接段,該組接段與插接段間是利用一擴大之擋緣做分隔,所述組接段上並設有第五螺紋,旋轉螺具有一體相連的一帶動盤與一定位座,端面中央貫穿有一階狀孔,及該定位座外周係設有第六螺紋。