Is the controller's license easy to test?

The controller's license is not easy to test. There are two ways for air traffic controllers: first, school training, and direct admission to air traffic control majors in three civil aviation-related colleges; The second is to recruit for the society, select qualified college graduates and units to sign contracts, and the employers will send them to the above three civil aviation colleges for one-year training. They should not only complete the corresponding courses, but also take exams, ICAO4 English Band 4, radar basic certificates and other certificates, and then take the controller's license exam, including both skills and theory. Controller is short for air traffic controller.