In 2003. The rural cooperative medical system has been piloted in some counties of China since 2003, and will gradually cover rural residents in China by 2020. Junan County belongs to Linyi City, Shandong Province, and is located at the junction of Su Ru in the southeast of Shandong Province and the east of Linyi City. It is adjacent to Lanshan District of Rizhao City in the east, Ganyu District of Lianyungang City in Jiangsu Province in the south, Hedong District of Linyi City in the west and Juxian County of Rizhao City in the north. Total area of Junan County 1752 square kilometers.