The invention relates to a road lamp with clamped-connected housing, lampshade and protective glass. The road lamp comprises a lower housing, a lampshade, a piece of protective glass and an elastic sealing clamp; the lower housing is clamped and fixedly connected with the lampshade, the piece of protective glass and the elastic sealing clamp through a plurality of spring clamps. According to the road lamp, the housing, the lampshade and the piece of protective glass are clamped through the plurality of spring clamps; meanwhile, the clamping surface is sealed through the elastic sealing clamp; the method is extremely simple; in addition, the spring clamps can be bought from the market with a low price; such clamping connecting mode enables convenient dismounting and mounting; moreover, the connecting stability is high, the sealing performance is improved, a plurality of processing techniques and compressing fittings can be saved, and therefore, the cost is lowered down; the method is simple but outstanding in effect.