Tuberculosis does not cause lung rot, the so-called tuberculosis rot, generally considered to be the state of tuberculosis cavity, is more serious, need to be actively treated. Tuberculosis cavity is a more serious lesion, which means that the lung function is seriously impaired, and often the damage is more serious. Therefore, once diagnosed as belonging to TB cavitation, patients are advised to receive regular treatment as early as possible. Firstly, anti-tuberculosis treatment is needed, including intensive treatment and maintenance treatment, commonly used drugs include isoniazid, streptomycin, rifampicin, pyrazinamide, and ethambutol, etc.; general symptomatic treatment and supportive therapy, including nutritional supportive therapy, phlegm relieving and cough suppressing and antipyretic drugs, commonly used drugs include dextromethorphan, pentoxyverine, ibuprofen, and acetaminophen tablets. If the cavity is difficult to close or repeated suppurative infections meet the indications for surgery and can tolerate surgery, surgery can be chosen. In addition, all of the above treatments have certain risks, and it is recommended that patients consult the Department of Infectious Diseases of regular hospitals in a timely manner, and under the guidance of specialists to actively treat the disease.