An experiment of 975 nm continuous wave laser irradiating carbon-fiber reinforced resin composites was studied, while the front surface of a target was with and without tangential airflow loadings. The results show that the dynamic responses are obviously different for two different cases.While the front surface of the target is without tangential airflow loading,the ejected inner pyrolysis products ignite surface combustion which is accompanied by dense smoke and flame after laser irradiation for 1.28 s.While the front surface of the target is with tangential airflow loading, there is not obvious combustion flame, but a burn-like bright spot is in the laser-irradiated zone and a little particles spill into the air intermittently. Analysis indicates that the out overflows of pyrolysis products will inhibit the diffusion of oxygen to the target surface, which has a protective effect on the carbon fiber. The presence of tangential airflow not only undermine the protective effect of pyrolysis products on the carbon fiber, but also promote the diffusion of oxygen to the surface. Therefore, the loading of tangential airflow will result in the carbon fiber suffered from oxidative ablation at the low temperature (850 ℃).