Snow melting agent refers to the agent that can reduce the melting temperature of ice and snow. It is a kind of chemical. The raw materials of ordinary snow melting agent are easy to obtain and cheap. Its components are mainly potassium acetate and chloride, which are classified. Snow melting agent melts the snow on the road by reducing the melting temperature of ice and snow, which is convenient for road dredging. The effect of sowing is obvious, but it is harmful. It is found that the residue of snow melting agent can corrode the pavement and automobile rubber tires. In the north, sand and snow shovels are still used mainly in winter, supplemented by snow melting agent to remove ice and snow on the road and ensure smooth traffic.