Industrial solid waste refers to the solid waste produced in industrial production activities. Solid waste, solid waste, referred to as industrial waste, is all kinds of waste residue, dust and other waste discharged into the environment in the process of industrial production.

It can be divided into general industrial waste (such as high slag, steel slag, red mud, non-ferrous metal slag, fly ash, cinder, sulfuric cinder, waste gypsum, desulfurization ash, carbide slag, salt mud, etc.) and industrial hazardous solid waste, i. e., hazardous solid waste.