四川、云南、贵州、陕西、甘肃、青海、广西、内蒙古、新疆、宁夏、西藏和重庆六省、五区（自治区）、一市（直辖市）构成了我国的西部地区。西部大开发战略的实施为西部邮政的发展创造了一个良好的发展机遇，优惠政策的出台、投资环境的改善、对外开放的加强等将为西部邮政提 Sichuan, Yunnan, Guizhou, Shaanxi, Gansu, Qinghai, Guangxi, Inner Mongolia, Xinjiang, Ningxia, Tibet and Chongqing have five regions (autonomous regions) and one city (municipality directly under the Central Government) constituting the western region of our country. The implementation of the strategy of developing the west region has created a good opportunity for the development of the western postal service. The introduction of preferential policies, the improvement of the investment environment and the enhancement of the opening up to the outside world will provide the postal service