Most of the secondary TB can be cured, a few will turn into drug-resistant TB and the treatment time will be prolonged, so it is recommended to treat it actively under the guidance of the doctor. Secondary tuberculosis refers to infection or reappearance of active tuberculosis for a period of time. Most of the secondary tuberculosis can be cured after active anti-viral, hepatoprotective and other anti-tuberculosis treatments, the patient’s clinical symptoms basically disappeared, the lesions are stabilized, and the sputum test is negative for two consecutive times, so as to achieve the purpose of cure. Only a small number of secondary TB patients will turn into drug-resistant TB, mostly due to drug-resistant transformation of Mycobacterium tuberculosis or inappropriate choice of drugs in the early stage of treatment, in which case the treatment cycle will be prolonged. Most of the secondary tuberculosis can be cured, during the treatment need to actively cooperate, standardize the use of drugs, it is recommended that under the guidance of the doctor active treatment.