Cavitary tuberculosis is cured for decades without recurrence. The vast majority of patients with cavitary tuberculosis can be cured after timely and active treatment, and the chances of recurrence after cure are low, the prognosis for patients is good, and after the cure, the lifestyle should be improved in order to enhance the physical fitness, and prevent the recurrence of tuberculosis. Cavitary TB is mostly due to the necrosis of caseous exudative lesions, which form cavities after dissolution. Cavitary TB can be clinically cured by chemotherapy, symptomatic treatment and surgery under the diagnosis of a doctor. Most patients have a good prognosis and a low chance of recurrence. Therefore, it is possible to be cured without recurrence for decades, but patients need to go to the hospital for regular checkups. The cure of tuberculosis does not mean that the tuberculosis bacilli in the lungs are all killed, but there is a part of tuberculosis bacilli in the long-term static period of inactivity, but this part of the tuberculosis bacilli in the case of weakening of the body, resistance to deterioration is able to rekindle, and in this case the tuberculosis may recur. In this case, the tuberculosis may recur. In addition, the tuberculosis may be re-infected through re-infection, which may also lead to recurrence. Cavitary TB is contagious and should be isolated, and once diagnosed should be treated immediately in a hospital. After treatment, the cavity disappears in most patients on imaging. In a few patients, the cavities do not disappear completely and leave traces, but they are not contagious. Tuberculosis treatment process should follow the doctor’s instructions, standardize the use of drugs, can not stop or reduce drugs, should also be sufficient nutrition, adequate sleep, strengthen physical exercise, enhance physical fitness, improve immunity, etc., in order to completely cure tuberculosis, and to prevent the recurrence of the situation.