The detection of tuberculosis mainly includes physical examination, imaging examination, pathogenetic examination, laboratory tests and so on. 1. Physical examination. By asking the patient’s past medical history, such as whether there is a long-term cough, cough sputum, emaciation, night sweats, fatigue, etc., combined with lung auscultation to make a preliminary judgment. 2. Imaging examination. At present, x-ray imaging examination, lung CT examination, MRI examination, etc. can assist in the diagnosis of tuberculosis and provide an effective basis for clinical diagnosis. 3. Pathogenic examination. Sputum smear examination can be used to search for Mycobacterium tuberculosis, and Mycobacterium tuberculosis culture and Mycobacterium tuberculosis nucleic acid test can also be used to further confirm the diagnosis. 4. Laboratory tests. Blood tests such as c-reactive protein and blood sedimentation can help determine the activity of tuberculosis and dynamically monitor the effect of treatment.