Atmospheric turbulence parameters are the important bases to evaluate the effect of atmospheric channel on space laser communication system performance. According to the motion characteristic of airborne platform, the atmospheric turbulence parameter stratified measurement experiments are carried out at different altitudes in Jagdaqi area with the differential image motion method, and these experiments are combined with Shack-Hartmann sensor and pointing, acquisition, tracking servo units. Results show that the daytime atmospheric turbulence intensity in this region reduces with the increase of altitude, and random fluctuation of atmospheric turbulence intensity is superimposed on the changing trend under the condition of Kolmogorov turbulence. The range of top layer altitude of atmospheric capping inversion layer is 2.2-2.8 km. At the altitude of 3.5 km, the atmospheric coherence length varies from 10 cm to 26 cm. The study provides an important reference for the performance analysis of airborne laser communication system.