The continuous severe cold makes us feel deeply – this year’s winter is so cold! Due to the cold weather and dryness in winter, coupled with the heating at home, the air is even drier, which can easily cause our respiratory resistance to decline and some respiratory diseases to occur. Of course, the most common respiratory diseases are colds, the common cold is the most common, and then there is the flu. The common cold is the most common, and then the flu. The symptoms of the flu are different from those of the common cold, as the flu is more severe and causes more complications. In addition, acute bronchitis and bronchitis are also more common, and there are some chronic bronchitis that tend to flare up in winter, called chronic bronchitis acute attack, and the inflammation continues downward and can cause pneumonia. Although the incidence of asthma in winter is not as high as in spring and autumn, a portion of asthma attacks can occur in winter. In addition, because of the dry and cold weather in winter, the onset of laryngitis is also particularly high, so we have a proper understanding of these diseases so that they can be properly prevented and treated.