Stump leakage after lower lobectomy of the lung can present with hemorrhage, infection, pneumothorax, pleural effusion, and pyothorax, resulting in hemoptysis, fever, cough, sputum, chest tightness, chest pain, and other symptoms. 1. hemoptysis: stump leakage after lower lobectomy of the lungs may have exposure of small pulmonary vessels due to oozing or bleeding, leading to hemoptysis. 2. Fever: After stump leakage, because of hemorrhage absorption or secondary infection, the patient will have different degrees of body temperature rise, and severe infection may also have high fever. 3. Cough, cough and sputum: because of infection, inflammatory reaction or inflammatory exudate stimulation of trachea and bronchial tubes, inducing cough, cough and sputum; patients with pleural pneumoperitoneum, effusion, but also because of the lung tissue compression of the cough, cough and sputum symptoms. 4. Chest tightness and chest pain: secondary infection of pleura, pneumothorax and pleural effusion will cause chest tightness and chest pain. After lower lobectomy, nursing care should be strengthened and recuperation should be the main focus to avoid stump leakage. Once stump leakage occurs, active treatment should be carried out according to medical advice.