Confused and confused. According to the documentary information of "The Waves of the World", the film crew spent a year continuously following a young doctor who had just graduated from medical school, and also followed a doctor from the department. Director records the confusion and growth, glory and responsibility of the two doctors. The little doctor has to go through millions of difficulties step by step to become a big director. What the documentary "The World's Waves" wants to reflect is not simply a personal story, but the successive waves of medical development and the arduous journey of generations of people fighting against diseases.