Chaoyang City is located in the western Liaoning poverty-stricken area, the CDC service radiation population of 3.35 million people, of which the rural population accounted for more than 80%, due to the geographical environment and economic development level and other factors such as constraints, endemic diseases (fluorosis, iodine deficiency disease), and ten townships in Jianping County, such as inter-rodent plague prevention and control of the situation is grim, sexually transmitted diseases such as AIDS, viral hepatitis, dysentery, rubella, measles, mumps and other related The task of preventing and controlling infectious diseases is very arduous, and the situation of poverty caused by disease and returning to poverty due to disease is widespread; Chaoyang City has a lack of health resources, imperfect grassroots health care institutions, and backward grassroots medical equipment, and with the emergence of new infectious diseases, the resurgence of old infectious diseases, and the high prevalence of chronic non-communicable diseases, preventive health care is facing an unprecedented challenge, and disease control institutions are the strong safeguard for the health of the people of Chaoyang City. Disease control organizations are the first element to further improve the image of Chaoyang and pull the steady progress of various undertakings in Chaoyang.