Grape planting support rapid building device and building method thereof

The invention discloses a grape planting support rapid building device and a building method thereof. The grape planting support rapid building device comprises a pre-buried base, a supporting assembly and a jacking assembly. A clamping mechanism is arranged between the inner walls of the two sides of the mounting slot; the supporting assembly comprises a control supporting pipe positioning inserting piece and a lifting supporting piece, the bottom of a control supporting pipe is rotationally sleeved with a rotating lantern ring, and the middle of the rotating lantern ring is vertically sleeved with a two-way screw. The positioning insertion piece comprises a gliding insertion pipe; the lifting supporting piece comprises a lifting pipe and a lifting block, an external expansion mechanism is arranged in the lifting block, and the external expansion mechanism comprises two stirring toothed plates and two external expansion rods. The device is formed by combining the embedded base, the supporting assembly and th