The intensive period of infiltrative tuberculosis is usually around 2 months, and the intensive period of drug-resistant tuberculosis can be extended to 9-12 months. Infiltrative tuberculosis is a kind of infectious chronic disease caused by the invasion of tuberculosis bacillus into the lungs, with coughing, coughing up sputum and low fever as the main manifestations. Mycobacterium tuberculosis is a chronic infection, so the treatment course is relatively long and generally requires full, combined, early and regular use of anti-tuberculosis drugs. For infiltrative tuberculosis to take intensive treatment and consolidation of the regular course of treatment is: intensive 2 months, consolidation of 10 months program. Drug-resistant tuberculosis treatment is more difficult, need to appropriately extend the treatment time, intensive period may need 9~12 months. Anti-tuberculosis treatment combined with more drugs, side effects are relatively more, need to be closely reviewed during the treatment of liver function, renal function, blood routine and other indicators, regular review of chest CT, sputum smear to find the antacid antibacterial in order to assess the efficacy of the drug to follow the doctor’s instructions, do not stop and change the drug.