Low-corrosion environment-friendly composite snow-melting agent and preparing method thereof

The invention provides a low-corrosion environment-friendly composite snow-melting agent. The snow-melting agent is prepared from 78-93 parts of compound salt, 6-23 parts of a corrosion inhibitor and 1-2 parts of a plant growth auxiliary. Meanwhile, a preparing method is provided. The prepared low-corrosion environment-friendly composite snow-melting agent is low in corrosion to concrete and metal, and plant growth is affected little.