19981214.1998, the State Council issued the decision on establishing the basic medical insurance system for urban workers (Guo Fa [1998] No.44), and medical insurance has been implemented nationwide since then. 1998 has medical insurance for employees in Chaoyang, Liaoning Province, but medical insurance has been paid since 2000. Chaoyang City is a prefecture-level city under the jurisdiction of Liaoning Province, which was called Longcheng, Liucheng and Zhong Xing in ancient times. Today, Chaoyang City is connected with the industrial urban agglomeration in central Liaoning in the east.