Various causes of irritation to the trachea, bronchi, and lung tubes tend to cause an increase in local secretions. These secretions irritate the trachea and produce coughing, which results in the formation of sputum. In the case of more sputum, it is mainly considered to be caused by inflammatory irritation, and having chronic inflammatory irritation can easily cause white sputum, which is an acute bacterial infection and often appears as yellow sputum. In addition to the use of effective antibacterial drugs and cough and phlegm medicines, it is necessary to improve the body’s resistance, especially during the remission period of the disease, it is necessary to exercise properly and strengthen nutrition, which can effectively prevent the recurrence in the future. You should also pay attention to your diet and try not to eat cold and stimulating foods. If the symptoms are serious and the medication is not working well, you need to go to the hospital first to do the corresponding examination and actively treat according to the examination results.