There are more respiratory diseases, the most common ones are diseases caused by infections of the respiratory tract, such as cold, pneumonia, bronchitis, pharyngitis, bronchiectasis, lung abscess, pleurisy, and occupational lung diseases such as chronic obstructive pneumonia, interstitial fibrosis, silicosis, pneumoconiosis, as well as tuberculosis, lung cancer, and pulmonary heart disease. All of these can affect breathing and cause coughing and coughing, which can lead to symptoms such as breathlessness, shortness of breath and difficulty in breathing. In severe cases, it can also affect the function of the heart, causing palpitations and pain in the precordial region, and can affect the digestion and absorption of the stomach. It can also cause systemic symptoms and pulmonary encephalopathy, which can lead to respiratory failure and even death if not treated in time.