The invention relates to plastic product cleanser. The cleanser comprises the following components in parts by weight: 80-100 parts of sodium perborate, 5-10 parts of citric acid, 5-15 parts of ampholytic surfactant, 1-5 parts of sodium chloride, 10-40 parts of sodium tripolyphosphate, 5-20 parts of sodium silicate, 10-30 parts of lauryl sodium sulfate, 2-10 parts of stabilizer, 2-10 parts of octamethylcyclotetrasiloxane and 1-5 parts of hydrogen peroxide. By adopting the plastic product cleanser disclosed by the invention, dirty stains, grease stains, oil stains and nicotine residual can be completely cleared; the plastic product cleanser disclosed by the invention is suitable for the cleaning of plastic products such as shutters, plastic furniture, office desktops, computers, audio equipment, television shells, boats, surfboards, window frames and the like.