Drug sensitivity tests for tuberculosis usually take a relatively long time, usually 4-6 weeks. Because of the slow growth of tuberculosis bacilli, its culture time is relatively long, usually need 3-4 weeks to culture out, if the sputum culture saw tuberculosis bacilli, and then do the corresponding drug sensitivity test, it will take about 1 week, so the tuberculosis drug sensitivity test time is relatively long. Most patients with primary tuberculosis do not need to do sputum culture and drug sensitivity test. Generally, these patients are sensitive to anti-tuberculosis drugs and can be cured after early standardized anti-tuberculosis treatment. However, for those who do not standardize the use of drugs or have poor compliance, drug-resistant tuberculosis often occurs. Patients with drug-resistant tuberculosis need to improve the culture of Mycobacterium tuberculosis and drug sensitivity test, and according to the results of the culture results and drug sensitivity test results, to choose the sensitive anti-tuberculosis drugs for treatment.