Obstructive ventilation disorder mainly refers to poor ventilation function caused by airflow limitation, which is usually caused by bronchial asthma, emphysema, bronchitis and other reasons. 1. Bronchial asthma: bronchial asthma is usually caused by heredity, respiratory tract infections, micronutrient deficiencies, etc. When bronchial asthma attacks, the patient will experience increased respiratory rate, shortness of breath and other symptoms, and some of the patients will also suffer from fever, sore throat, fatigue and other symptoms. 2. Emphysema: Emphysema is usually caused by long-term smoking, heredity and other reasons, patients usually do not have obvious symptoms in the early stage, mostly in the activities of shortness of breath symptoms, when the condition is serious, patients will also have headache, palpitations, fever, chills and other symptoms. 3. Chronic bronchitis: Chronic bronchitis is usually caused by viral infections, smoke inhalation, dust inhalation, etc. Patients will have obvious wheezing, shortness of breath, and accompanied by coughing, coughing up sputum and other symptoms. Obstructive ventilation disorders can also be seen in chronic obstructive pulmonary disease, lung cancer, etc. If the patient has symptoms such as shortness of breath and coughing after activity, he should go to the hospital in time for medical treatment, and after diagnosis, he should be treated under the guidance of the doctor.