Low-temperature plasma degradation of pollutants utilizes these high-energy electrons and the interaction with pollutants to decompose the pollutant molecules within a short period, followed by various subsequent reactions to achieve pollution degradation. In general gas discharge, plasma is produced, and this discharge phenomenon is the process where one or more electrons are separated from the gas or molecules through some mechanism, forming a gaseous medium. This medium is referred to as ionized gas. If an external electric field generates ionized gas, the conduction of current occurs, and this phenomenon is known as gas discharge. The technology of this purification equipment is a principle for industrial waste gas treatment.