The invention relates to a lamp, in particular to a lamp for traffic guidance. According to the lamp for traffic guidance, the interior of a lampshade can be cooled, and moving is convenient and rapid. The lamp for traffic guidance comprises wheels, a mounting plate, a fixing mechanism, a rotating mechanism, a first hollow rod, a first connecting rod, a height adjusting mechanism, an angle adjusting mechanism, a second connecting rod, a lamp seat, LED lamps, a water storage tank, a piston, a cooling mechanism and the lampshade. The wheels are fixedly connected to the bottom of the mounting plate, the fixing mechanism is fixedly connected to one side of the mounting plate, the rotating mechanism is fixedly connected to the top of the mounting plate, and the bottom of the first hollow rod isfixedly connected with the output end of the rotating mechanism. The effects that the lampshade can be cooled and moving is convenient and rapid are achieved.