The on-line monitoring system of the Internet of things for pollutants of conch group was successfully launched and officially delivered to the owner. The project covers the real-time monitoring of sulfide, nitride, particulate matter and other environmental pollution factors at the owner's 10 smoke emission outlets. Through the independently developed data acquisition equipment and data monitoring software, our company provides enterprises with a rapid pollutant monitoring implementation scheme, which has been unanimously recognized by the owner.