The consolidation period of TB is generally referred to as the 2nd period of TB treatment. The whole treatment of TB includes an intensive period and a consolidation period. The intensive phase of TB treatment usually lasts 2 to 4 months, and the consolidation phase lasts 4 to 6 months. The drugs used in the consolidation period are usually two combinations of anti-tuberculosis drugs (e.g. isoniazid, etc.), which are designed to kill resting or quiescent tuberculosis bacilli to avoid recurrence of tuberculosis or the development of resistance to tuberculosis. Consolidation of anti-tuberculosis treatment is very necessary, otherwise the tuberculosis may become chronic recurrent, it is recommended to standardize under the guidance of tuberculosis doctors, consolidation and related drug treatment. During the consolidation period, regular follow-up chest CT is also needed to evaluate the disease. Regular outpatient follow-up.