Abstract: Selecting four precipitation cases of eastward moving Tibetan Plateau Vortex (TPV) from April to September, 2014—2020, the precipitation structures of different precipitation types were studied based on GPM precipitation data. The horizontal and vertical distribution of precipitation rate, rain top height, droplet size distribution were analyzed. The results showed that: (1) The precipitation clouds mainly appeared on the southeast side of TPV after the vortex eastward moving out of the plateau. The precipitation in Sichuan Basin was mainly stratiform precipitation. When the TPV developed stronger, the proportion of convective samples was higher, the contribution to total precipitation was greater, and the intensity of convective precipitation was stronger, too. (2) The horizontal scale of the precipitation clouds were about 200~500 km, it was distributed in a belt or sheet shape from northeast to southwest. There were one or more strong convective centers in the main rain belt, with a rain top height range of 6~12 km. (3) The precipitation clouds were in a tower column structure in the vertical direction and the maximum rain top height was unevenly distributed. The strongest precipitation center occurred at a height below 5 km and did not exceed the 0 ℃ layer, which indicated that the precipitation was mainly caused by the melting and collision of precipitation particles. The rain top height of stratiform cloud was less than 10 km, with a bright band structure, and the maximum precipitation rate was about 5 mm·h⁻¹. (4) The radar reflectivity factor of precipitation cloud ranged from 20 to 35 dBZ, the verage diameter of precipitation particles ranged from 1.1 to 1.8 mm, the particle concentration parameter ranged from 32 to 38 mm⁻¹·m⁻³. The radar reflectivity factor value of stratiform precipitation was less than 30 dBZ, the average diameter distribution of precipitation particles was between 0.9 and 1.3 mm, and the particle number concentration parameter was less than 36 mm⁻¹·m⁻³. The spectral width of all parameters of convective precipitation was greater than that of stratiform precipitation, especially for the precipitation with rain intensity above 8 mm·h⁻¹, all parameters participate were more strongly than those of stratiform.