The utility model relates to a garden equipment technical field, and disclose a liftable gardens use street lamp, including the supporting seat, the middle part fixedly connected with stand at supporting seat top, the top fixedly connected with slide of stand, and the both sides of slide all with the spout sliding connection of sleeve inner chamber, telescopic bottom fixedly connected with alignment jig, the surface at stand middle part has cup jointed the lagging, including a support base, two spiral shell rasp bar's one end runs through the both sides of alignment jig inner chamber respectively and extends to the outside of alignment jig, spiral shell rasp bar's the rotatory handle of one end fixedly connected with, telescopic top fixedly connected with fixed plate, the top fixedly connected with positioning seat of fixed plate. This liftable gardens use street lamp uses through the cooperation that sets up alignment jig, fixing base, connecting block and lagging, and it is rotatory hand -motion spiral shell rasp bar's rotation to let the user rotate to the elasticity of adjusting the lagging lets the user be more convenient carrying out height -adjusting to the stand.