This is a special soil digger for planting.The system includes fixtures.The pull piece elastically connected with the fixing device,The displacement part in which the elastic displacement of the pulling part can be provided,And an opening and closing device connected with the lower end of the displacement part and the fixing device；Among them,The fixing device comprises a grip rod connected with a pull piece.A fixed part extending downward at one end of the pull part along the opposite direction of the grip rod,And a positioning rod which is connected with a fixed part and a displacement part and is located under the holding rod,And the opening and closing device comprises an expansion sheet connected with the lower end of the fixed part.And an in-situ sheet partially locked with the upper end of the expansion sheet；By holding the grip and positioning lever,And apply force or retract force to the grip.It can be controlled that the opening at the lower end of the expansion plate and the in-situ plate is in contact or open state.So this creation has a simple operation.It is labor-saving and can be mined quickly.本創作植栽專用之泥土挖掘器，係包含固定裝置，與該固定裝置彈性連接的拉動件，可供拉動件彈性位移於其中的位移件，以及與該位移件及固定裝置下端連接的開合裝置；其中，該固定裝置包括與拉動件連接的握桿，沿該握桿相反拉動件一端向下延伸的固定件，以及與固定件及位移件連接且位於握桿下方的定位桿，而前述該開合裝置包括與固定件下端連接的擴張片，以及與該擴張片上端部分鎖固的原位片；透過握住握桿及定位桿，並對握桿施力或收力，即可控制擴張片與原位片下端的開口為接觸或張開的態樣，因此本創作有簡單操作，省力且可快速挖掘的效果。
