There are many kinds of chronic diseases, from different systems, such as respiratory diseases, such as chronic bronchitis, bronchial asthma, chronic pulmonary heart disease, bronchiectasis, tuberculosis and other common chronic diseases of the respiratory system; cardiology coronary heart disease, hypertension and rheumatic heart disease, cardiomyopathy and heart valve disease are all chronic diseases, involving the heart and respiratory system can cause respiratory failure. Respiratory failure caused by chronic diseases. Respiratory failure and heart failure caused by chronic diseases, called chronic respiratory failure and chronic heart failure are chronic diseases, as are diabetes, chronic gastritis and gastric ulcer of the digestive system.