Tuberculosis patients usually know whether the tuberculosis recurs in three to six months after treatment, and after recurrence, they need to continue intensive treatment. It is recommended that tuberculosis patients have regular follow-ups and receive treatment under the guidance of doctors. Tuberculosis patients usually have a follow-up examination three to six months after treatment, and then every six months or so. During the follow-up examination, sputum examination, chest CT and other examinations are mainly carried out, and if accompanied by symptoms such as coughing, coughing up sputum, hemoptysis and so on, it suggests that the tuberculosis may have recurred. After the relapse of TB, patients need to undergo two months of intensive treatment, followed by six to ten months of consolidation treatment, during which they should choose non-resistant second-line therapeutic drugs, such as pyrazinamide and sodium para-aminosalicylate, and so on. Patients need to judge whether to stop the drug according to the treatment effect. Tuberculosis patients usually know whether the tuberculosis recurs or not in three to six months after the treatment, and after the recurrence of tuberculosis, they should switch to the drug that is not resistant to Mycobacterium tuberculosis to continue the treatment, and it is recommended that tuberculosis patients have regular follow-ups under the guidance of the doctor.