2. Develop good hygiene habits, sneeze, cough and clear your nose before and after meals, and be sure to wash your hands when you go out.
3. Open the window frequently to keep indoor and outdoor air circulation and indoor humidity. Don't drink raw water, don't eat rotten food, don't overeat, don't smoke and drink, don't use other people's towels indiscriminately, take a bath frequently, change clothes and bedding frequently.
4. Take an active part in physical exercise, go to the suburbs and outdoors to breathe fresh air, and strengthen your physique.
5, reasonable arrangements for work and rest, so that life is regular, work and rest, such as overwork, will inevitably lead to a decline in disease resistance, susceptible to bacterial and viral infections.