The supporting products for goldfish surface treatment are a series of special chemicals, mainly including environment-friendly metal surface treatment agents, special degreasing cleaning agents, rust removers, rust inhibitors, electrical equipment cleaning agents, etc. These chemicals can react chemically with the oxides and oil stains on the surface of the workpiece to dissolve or decompose them, so as to remove the rust, oxide skin and oil stains on the surface of the workpiece and obtain a good workpiece substrate; At the same time, these chemicals can also be widely used in the surface treatment of workpieces, equipment, parts and instruments in many non painting scenes and the protection after surface treatment.