Novel stair lamp

The novel stair lamp comprises a stair body, box grooves are formed in the positions, close to the two sides, of the front surface of the stair body, lamp boxes are arranged in the box grooves, lighting lamp tubes are fixedly installed in the lamp boxes, and moving grooves are formed in the positions, corresponding to the two sides of the box grooves, of the interior of the stair body. And a limiting plate is fixedly connected to one side, corresponding to the moving groove, of the interior of the stair body. According to the novel stair lamp, through the arrangement of the moving groove, the limiting plate, the moving block, the arc-shaped groove, the sliding plate, the springback rod and the arc-shaped block, a user can conveniently install an illuminating lamp into a stair, meanwhile, through a clamping mode, the user can conveniently disassemble the illuminating lamp, and therefore the working efficiency of replacing the stair lamp by the user is improved; and through arrangement of a pull plate and a pul