Since the implementation of the Western Development policy , the Tibetan areas in the linked zone of Sichuan , Gansu and Qinghai have achieved rapid socio -economic develop-ment , and the quality of living of the residents also has greatly improved . With economic develop-ment, Tibetan residents'needs for public services , including basic education , medical and health care, and social security , are constantly increas-ing .However , limited by the realities such as his-torical conditions , backward socio -economic de-velopment and the natural environment , the Tibet-an region is facing the following problems with re-gard to the supply of public services: a generally low alibility to supply services; uneven supply;and low efficiency .