Indications for thoracoscopic surgery include:1. pleural diseases: such as pulmonary alveoli, spontaneous pneumothorax and pleural effusion caused by various factors; 2. lung diseases: such as lung cancer, inflammatory pseudotumor, tuberculosis bulb, pulmonary adenoma, pulmonary teratoma, etc.; 3. esophageal diseases: such as esophageal cancer, esophageal cyst, pancreatic dystrophy, etc.; 4. mediastinal diseases: such as thymoma, thymic cyst, neurogenic tumor and tracheobronchial cyst 5, other diseases of the chest: such as chest trauma, pleural disease, pericardial effusion, hand sweating, celiac disease, diaphragm rupture and thoracic deformity, etc.