Lung atelectasis needs to be treated. The treatment of lung atelectasis is based on the treatment of the cause of the disease, and the treatment includes general treatment, medication for the cause of the disease, and surgical resection treatment. 1. General treatment: Lung atelectasis is often incurable and requires immediate hospitalization. In daily life, the symptoms can be relieved by changing the living habits. When the patient is lying down, the feet can be elevated, so that the affected side is upward. Frequent turning over, deep breathing, etc. 2. Medication: When using medication, you need to choose the right medication under the guidance of your doctor. For example, when lung atelectasis is combined with infection, antibiotics can be used for anti-infection treatment, such as amoxicillin, cefuroxime and so on. When lung atelectasis is combined with tuberculosis, anti-tuberculosis drugs such as isoniazid and rifampicin can be used. 3. Surgery: If the condition is serious, surgery can be considered, such as the use of fiberoptic bronchoscopy can be suctioned out mucus plugs or secretions so as to alleviate the symptoms of the longer course of the disease, the serious condition of the patient can consider surgery to remove the lung lobe or lung segments of atelectasis. Patients should go to the hospital immediately when they experience discomfort.