Sports helmet with good protection effect

The sports helmet with the good protection effect comprises a helmet body, a groove is formed in the position, close to the top, of the front end of the helmet body, a bottom plate is installed at the position, close to the middle, of the rear end of the helmet body, rope buckles are installed on the two sides of the bottom end of the helmet body, limiting holes are formed in the two ends of the inner wall of the groove, a sliding block is installed in the groove, and the sliding block is connected with the helmet body. Limiting holes are formed in the positions, close to the two ends, of one side of the sliding block, battery grooves are formed in the positions, close to the two ends, of the interior of the sliding block, elastic clamping blocks are installed on the opposite sides of the two battery grooves, bases are installed on the opposite sides of the two elastic clamping blocks, bulbs are installed on one sides of the bases, and circuit boards are installed between the two battery grooves and the bases