The main purpose of this course is to help students fully understand the causes, transmission and control of epidemic diseases that have a significant impact all over the world. Students are required to understand the causes, modes of transmission, causes, control measures and lessons of major epidemics affecting the world. On this basis, it is hoped that students can think about the environmental factors affecting the prevalence of diseases and countermeasures from the perspective of their major, so as to improve their ability to think independently and form good behavior habits.