Abstract: In order to effectively mitigate the hazard of coal spontaneous combustion in the goaf of the Wanbei mining area, a comprehensive approach combining numerical simulations and field observations was employed for in-depth research.The Fluent software was utilized to analyze the distribution patterns of oxygen and temperature in the 13403 working face of Zhujixi Mine, considering both “entry retaining intake air flow” and “entry retaining return air flow” scenarios.At the same time, a dynamic simulation method based on dynamic grid is established, and the dynamic simulation is carried out with the 13403 working face of Zhujixi Mine as the prototype.The results indicate that, in both scenarios, the oxidation spontaneous combustion zone along the transportation pathway side and in the center of the 13403 working face undergoes a noticeable narrowing, whereas the alterations observed on the side of the retained roadway remain relatively minor.From the point of view of fire prevention, the mode of “entry retaining and air intake” is more superior; without considering the air leakage in the goaf, the oxygen concentration in the goaf only moves forward with the advance of the working face, and the distribution shape remains basically unchanged.When the heat storage conditions in the goaf are good, the temperature on the side of the roadway increases first.The findings of these research offer a robust foundation for developing more scientifically sound strategies for fire prevention and control.