Plateau area. Aba Prefecture is an autonomous prefecture under the jurisdiction of Sichuan Province, adjacent to Chengdu Plain. The general outline of the state's surface is a typical plateau with high terrain and remarkable vertical climate. Most people can't adapt to the environment here, so they don't want to be special police. The height of men applying for special police positions in Aba Prefecture is1.73m and above, and that of women is1.62m and above. The conditions are strict.