Lamp box for wheel

The utility model relates to a lamp box for a wheel which belongs to bicycle accessories. A box body composed of a box cover and box body is adopted. One screw hole is respectively arranged on the top part and the bottom part of the box body. The box body is fixed on a bar of a bicycle by the screw holes. A switch is arranged on the box body. A pole piece for fixing a battery and a light-emitting diode are arranged in the box body. The lamp box can be used as a decoration device at the daytime. The switch is turned on in misty days and at night, the light-emitting diode emit light and rotate along with the wheel, forming a light ring. The utility model has decorative function and the function of warning other people and drivers.