The utility model relates to a fixed structure of a knob of a gardening scissors.It consists of two staggered cutting edges and jaws.It is connected and fixed with a shaft bolt.The cutting edge and the cutting jaw are opened and closed with the pivot bolt as the fulcrum.In addition, the cutting edge system is provided with a knob unit which is installed through a consistent perforation to limit the positioning when it is closed with the cutting jaw.It is characterized in that the knob unit is provided with a shaft part which is pierced at the through hole.One end of the shaft part is provided with a rotation control part which is convex and limited to one side of the cutting edge.The other end is provided with a ring groove and fixed by the other side of the cutting edge with a fastener.Thus, the knob unit is fixed on the cutting edge.Fast combination with structure,The convenience of disassembly and assembly,At the same time, the assembly cost of the knob unit is greatly reduced.It is more convenient for users to replace and assemble by themselves.And then enhance consumers' willingness to purchase.一種園藝剪旋鈕之固定結構，其包含：二交錯疊設之剪刃及剪顎，並利用一軸栓連結固定，使該剪刃及該剪顎以軸栓為支點開合作動，又該剪刃係透過一貫穿孔安裝一旋鈕單元與剪顎相閉合時限制定位，其特徵在於：該旋鈕單元具有一軸部穿設於貫穿孔，上述軸部一端具有一旋控部凸設限制於剪刃一側，而另一端則設有一環槽並由剪刃另一側利用一扣件嵌扣固定，藉此將旋鈕單元固設於剪刃上，具結構快速組合、拆裝之方便性，同時大幅降低旋鈕單元的組裝成本，更是利於使用者自行更換組裝，進而提升消費者之選購意願者。
