Abstract: In order to study the smoke release of tobacco particles under heating, a series of tobacco particles were prepared by wet granulation and the influences of glycerol and heating temperature on the thermal degradation and smoke release of the particles were investigated via thermogravimetric analysis and cone calorimetry respectively. The results showed that: 1) The addition of glycerol lowered the temperature of main weight loss process of tobacco particles in air, while increasing the rate and percentage of mass loss at low temperature. 2) The initial rate and total amount of smoke release increased with the increase of glycerol content. However, greater than 35% glycerol decreased the total release of smoke. Samples with the highest thermal conductivity had the maximum release rate of smoke. The addition of glycerol reduced the emission of CO, but the relationship between the addition rate and CO emission was not obvious. 3) Raising heating temperature accelerated smoke release rate and shortened the release process, while the total smoke release increased first and then decreased. Higher than 400 ℃ ignited tobacco particles. The releases of CO and CO₂ increased significantly with the raise of temperature, and their release rules were similar to that of smoke release.