The reform on the outpatient coordination of Employee Medical Insurance is very important in the field of medical secu- rity. It sorts out the design of outpatient treatment in areas where general outpatient coordination has been carried out before the na- tional reform of outpatient security launched in 2021, summarizes the institutional design and main characteristics of “two lines and one ratio”, and provides a decision-making basis for further promoting the reform of total outpatient security in various regions.