The examination process of lung function is mainly determined according to the examination content. Generally, the specific operation methods for different functions are different. Generally, the physical examination method is mainly used for the examination of lung function, which is generally evaluated through the expiratory function, inspiratory function and bronchodilation test. In addition, the airway induction test can also be done. For the examination of lung function, it is one of the necessary examinations for respiratory diseases. For the early detection of lung and airway diseases, the severity of the disease can be evaluated, as well as the effect of prognosis evaluation drugs and other treatment methods. In addition, in identifying the causes of dyspnea and diagnosing the location of the disease, Assessment of lung function is a good means of examination. In clinical practice, lung function is primarily evaluated by lung capacity, ventilation function, and blood gas analysis. For lung function, it is generally judged by vital capacity, lung ventilation, lung ventilation, and bronchial provocation test. If there is any abnormality, it is necessary to actively find the cause.
