Pneumothorax is a relatively common disease in our daily life, often manifested as chest tightness, dyspnea, cough and other symptoms, if not actively treated will also lead to serious complications, so early detection and prevention is very critical to the treatment and prognosis of the disease. Preventive measures: 1, provide a comfortable and quiet recuperation environment, maintain the appropriate temperature and humidity, regularly check the room temperature table, adjust the temperature is appropriate, humidity should be 50 to 70, if the amount of gas in the chest cavity is small, can be without oxygen, limit the activities, bed rest is the main, avoid too much moving, gas can be gradually absorbed. 2.If there is obvious dyspnea or chest pain, it should be in semi-sitting position, and oxygen, apply symptomatic treatment such as painkillers, and exhaust treatment to reduce symptoms if necessary. 3, diet, should eat more vegetables and fruits and food containing coarse fiber to keep the stool unobstructed, or routinely give laxatives to reduce the pressure in the chest and abdominal cavity caused by stool exertion and delay the healing of pleural fissure. 4. Cough suppressants should be taken for severe coughing, and bronchodilators can be applied for those with bronchospasm, which can relieve symptoms.