The following are the main methods of examination for tuberculosis: 1. General examination, routine blood tests suggesting normal white blood cell count and increased sedimentation. 2. Pathogenetic examination, antacid bacilli can be detected in various secretions and excretions such as urine, pleural fluid, stool, and smears of lymph node punctures and aspirates, but the positive rate is relatively low. 3. Immunological examination, PPD test can be done to determine the possibility of active tuberculosis by the size of the diameter of skin nodules. The serological examination can be done by T-SPOT or GOLD test. 4. Imaging examination, imaging examination is an important means to diagnose pulmonary tuberculosis, such as chest X-ray, CT. 5. Endoscopy, pathology can be taken by bronchoscopy, thoracoscopy, laparoscopy, etc. for pathological diagnosis.