Safety protection method for highway greening construction

The invention relates to the technical field of greening construction equipment, in particular to a highway greening construction safety protection method which comprises a supporting device, a guide mechanism is in threaded sleeve connection with the interior of the top end of the supporting device, wheels are rotatably installed on the two sides of the supporting device, and the guide mechanism comprises a butt joint component and a connecting device. The butt joint component is symmetrically and rotationally installed in the front end of the connecting device and comprises a side end supporting device and an alignment limiting device, and the alignment limiting device is rotationally installed in the front end of the side end supporting device. The side end supporting device comprises a first gear, a first L-shaped air cylinder, a first spring, a first piston rod, an alignment pressing plate, a limiting baffle, a second piston rod and a supporting arm, the supporting arm is fixedly installed at the front e