It is quite a tricky job to attract international patients to Korean hospitals. The hospitals actually become competitors to receive transferred foreign patients when patients compare advantages of various kinds of hospitals in Korea. The patients examine thoroughly how doctors will treat their disease and make a final decision, only one hospital. After thousands of competitions among hospitals, Korea University Anam Hospital established reputation for severe illness. It was only 650 patients when Korea University Anam Hospital launched an international clinic in 2009. Now, it hit 10 thousand patients a year in 2015. Their secret has been revealed; the third JCI authentication, the 1st rank for kidney transplant surgery in Korea, and 24/7 Customer Service Center.