The handouts for seven days and six nights are useful. Zhao Zhao Physical Examination belongs to Beijing Zhaotianxia Education Technology Co., Ltd., with professional teachers and IT team, which has helped hundreds of thousands of people pass the physical examination smoothly. Zhao Zhao's physical examination supports video learning, and uses drawing memory method to talk about knowledge points, which is focused and easy to understand. So Zhao Zhao's lectures for seven days and six nights are useful.