The appearance of lung diseases should be treated according to the causes of lung diseases: i. If inflammation of the lungs occurs there will be a high fever accompanied by cough and coughing sputum, the first step is to carry out anti-inflammatory treatment, which may be viral or bacterial, and choose the appropriate antiviral drugs or antibiotics for treatment according to the cause. For cough and phlegm, cough and phlegm-relieving medications, such as amiloride oral solution, should be used. For fever, if the body temperature exceeds 38.5℃, you need to take antipyretic and analgesic type of ibuprofen suspension for treatment. Second, in case of trauma to the lung, appropriate surgical treatment is needed according to the trauma. In case of lung tumor, try to choose surgery in the early stage. In the late stage, if the tumor is too large for surgery or metastasis has occurred, radiotherapy and chemotherapy are needed.