Tuberculosis patients to eat anti-tuberculosis drugs after 7 months, if the tuberculosis bacillus is still in an active state, it may cause bone tuberculosis, if the tuberculosis has been cured, it will not cause bone tuberculosis in general. Bone tuberculosis belongs to secondary tuberculosis, mostly secondary to tuberculosis, and tuberculosis treatment is mainly through the use of anti-tuberculosis drugs, the course of treatment is generally in 6 to 9 months, but there are some drug-resistant tuberculosis patients with a longer course of treatment, can reach 9 to 12 months or even 20 months. Therefore, whether tuberculosis patients will cause bone tuberculosis after taking drugs for 7 months needs to be clarified whether tuberculosis has been cured, which is mainly related to whether tuberculosis bacillus is in an active state. If the tuberculosis bacillus is still active after 7 months of treatment, it may still cause bone tuberculosis, but if the tuberculosis has been cured, it generally will not cause bone tuberculosis. It is recommended that tuberculosis patients who have been taking medication for 7 months should consult a doctor in time, and complete the relevant examinations under the guidance of a professional doctor to clarify whether the tuberculosis has been cured.