Bicycle helmet

The utility model discloses a bicycle helmet. The bicycle helmet comprises a helmet body, an LED headlamp, LED light bars, helmet bands, a solar cell panel and storage batteries, the solar cell panel is arranged on a visor at the front end of the helmet body, the LED headlamp is arranged at the front end of the helmet body, the LED light bars are arranged on the two sides and the lower edges of the rear portion of the helmet body, the two storage batteries are arranged in the middles of the two sides of the helmet body respectively, the helmet bands are arranged in the middles of the lower edges of the two sides, each helmet band is provided with a buckle, and a photosensitive switch is arranged on the top of the helmet body. The bicycle helmet is simple in structure, a solar energy power source is adopted, environment protection is achieved, the service life of an LED light source is long, the light source is automatically controlled by the photosensitive switch, and convenience and rapidness are achieved.