The invention relates to a sprinkler, in particular to a sprinkler for road construction. The invention aims to solve the technical problem of providing the sprinkler for road construction, which is relatively light in weight and and relatively small in size, avoids damage to new-builed roads, and can flexibly move and enlarge the spraying scope for dust removal. The sprinkler for road construction, provided by the invention comprises a mounting seat, guide rails and the like, wherein the guide rails are respectively arranged at the left part and the right part of the upside surface of the mounting seat, sliding sleeves are respectively connected to the upper part of the corresponding guide rail of the guide rails on the left side and on the right side in a sliding manner, and the first sliding sleeves on the left side and the right side are located on the same level. According to the sprinkler, the effects that the new-builed roads are not liable to damage, the sprinkler can flexiblymove, and the spraying scope can be enlarged for dust removal, are achieved. A barrow is arranged, so that people can push the sprinkler by the barrow, and the effect that the sprinkler can be flexibly moved is achieved. A shutter is arranged, so that the scorching sun can be blocked, the condition that the sprinkler is aged when being exposed to the scorching sun can be avoided, and the service life of the sprinkler can be prolonged.