Ceramic firing kiln is the most important equipment in ceramic production process and the "heart" of the production process, which plays a decisive role in improving the quality of ceramic production process. However, because the ceramic firing kiln model is characterized by large inertia and pure lag, and the control relationship is nonlinear, the system control indexes (such as temperature, atmosphere and pressure) are strongly coupled and show uncertainty, and the kiln temperature control is the most critical part of the system, so it is difficult for ordinary control strategies to achieve effective control. For strong coupling and uncertainty, and the kiln temperature control is the most critical part of the system, it is difficult for ordinary control strategies to achieve effective control. Ceramic firing process is a physical and chemical change process of ceramic blanks. If the firing temperature is not well controlled, the products will be deformed and even become waste products. Therefore, to control the firing temperature of ceramics requires that the output of the control process, i.e. the firing temperature, can reach the set temperature quickly, accurately and stably. Through the understanding of the temperature control system of ceramic kiln, familiar with the composition of the temperature control system, understand the implementation algorithm of the temperature control system, analyze or improve the existing problems of the temperature control system, and study the temperature control that can solve some problems on this basis