Generally, the contents to be filled in are: 1. The information of the travel list generally includes: class, name, gender, travel location, travel date, return date, route location and peer name. 2. The health observation list generally includes: class, name, sex, return date, 14 day temperature observation, and fill in the specific temperature, such as 36.7℃. 3. The definition of fever is that the mercury thermometer under the armpit exceeds (including) 37.3℃. 4. Collect the health code and travel code of each student and employee.