Common symptoms of bronchial lung cancer include hemoptysis, cough, sputum, dyspnea, fever, fatigue, lethargy, wheezing, in addition, if distant metastasis occurs, symptoms such as upper limb edema, upper limb pain, hoarseness and difficulty in swallowing can also occur. Lung cancer is the most common primary malignant tumor of lung, also known as primary lung cancer or bronchopulmonary cancer, which can be further classified into specific types according to the site of occurrence and histology. Common clinical symptoms include hemoptysis, cough, sputum, dyspnea, fever, fatigue, lethargy, wheezing and so on, among which coughing is the most common symptom when the patients visit the doctor. In addition to that, when cancer lesions of lung cancer patients invade surrounding tissues and organs such as superior vena cava, laryngeal reentry nerve, esophagus, brachial plexus nerve, etc., it may also lead to symptoms such as upper limb edema, chest vein varicose, capillary dilatation, pain in the upper limb, hoarseness of voice, dysphagia and so on. In addition, distant metastasis to different organs may also present different symptoms. Liver metastasis can be manifested as loss of appetite and pain in liver area, brain metastasis can be manifested as increased intracranial pressure, and bone metastasis can be manifested as localized pain. It is recommended that patients with suspected bronchopulmonary cancer symptoms should go to respiratory department or oncology department of regular hospitals for detailed consultation.