Tuberculosis requires a few more months of treatment because of the presence of some of the more stubborn groups of bacilli in tuberculosis. TB is categorized according to the bacteria in the TB lesions into fast-growing bacteria (group A), intermittent-growing bacteria (group B), slow-growing bacteria (group C), and dormant bacteria (group D). Treatment with anti-tuberculosis drugs can only kill the early A flora, while the nearly dormant B and C flora can remain for several months or even longer and will be rekindled, and are very difficult to be killed by anti-tuberculosis drugs. The purpose of treating the bacteria for several months is to allow the surviving bacteria to be eliminated by the anti-tuberculosis drugs being used in the process of rekindling, to avoid recurrence of tuberculosis. Even if symptoms are relieved after early medication, it is still necessary to continue treatment with anti-tuberculosis medications (e.g., isoniazid, rifampicin, etc.) to prevent a relapse. If you need to stop taking the medication, you must consult your doctor and follow his instructions. Otherwise, if you continue to use anti-tuberculosis drugs when the disease recurs, it will not only complicate the treatment, but also increase the recovery time.