A ++ tuberculin test is clinically positive, indicating that the body is sensitive to the tuberculosis bacillus, which should be analyzed in the context of the specific situation and measures should be taken. If there are no symptoms and you have received BCG vaccine, it is normal and no treatment or intervention is needed because BCG is also an inactivated tuberculosis bacterium and after receiving BCG vaccine, the tuberculin test is also metastatic and will be positive. If there are clinical manifestations such as cough, low fever in the afternoon, night sweats, emaciation, increased blood sedimentation, or typical pulmonary CT, active tuberculosis should be highly considered, and active anti-infection and anti-tuberculosis treatment should be given, mostly by short-course therapy, commonly used drugs such as isoniazid, rifampin, pyrazinamide, ethambutol, etc. The duration of use is 6-9 months, and liver and kidney function and pulmonary CT should be reviewed regularly. The duration of use is 6 to 9 months, while the liver, kidney function and lung CT should be reviewed regularly, and the drugs should be stopped after the lesions are healed.