Respiratory tract infection is a common and frequent disease in autumn and winter in the north. Now that the cold winter season is approaching, the number of patients with respiratory infections is increasing. Is it possible to prevent respiratory infections in winter? In fact, as long as we master some tips in our daily life, preventing respiratory infections can still be done. In order to facilitate the memory of the majority of patients, I have prepared a secret song to prevent respiratory infections, I hope to provide some help for you. The lung infections can be prevented, sufficient sleep is the most important; oral hygiene always remember, pay attention to warmth, not greedy cold; relaxed mood, drink more water, relaxed spirit less fatigue; dry climate to adjust the humidity, life rules to stop impatient; milk and eggs should be supplemented, vitamin C can not be less; air pollution wear a mask, away from tobacco, alcohol and computers.