1, primary tuberculosis (type I), primary tuberculosis is a clinical condition caused by primary tuberculosis infection, including primary syndrome and intrathoracic lymphatic tuberculosis, this type of tuberculosis is mostly seen in children, adults and the elderly are rare; 2, hematogenous tuberculosis (type II), hematogenous tuberculosis is a critical tuberculosis disease, developed from primary tuberculosis, but also from other tuberculosis case-like foci breaking into the blood source It can also be caused by the breakdown of other tuberculosis caseous foci into the bloodstream. This type includes acute disseminated pulmonary tuberculosis (acute cornified pulmonary tuberculosis) and subacute and chronic disseminated pulmonary tuberculosis; 3. 4, tuberculous pleurisy (type IV), is the exudative inflammation caused by the direct invasion of tuberculosis bacilli into the pleura from the primary lesion near the pleura, or the hematogenous dissemination to the pleura via lymphatic vessels, including tuberculous dry pleurisy, exudative pleurisy and tuberculous abscess chest; 5, other extrapulmonary tuberculosis (type V), named according to the location and organs, common extrapulmonary tuberculosis are the following Several types: lymphatic tuberculosis, tuberculous meningitis, tuberculous peritonitis, intestinal tuberculosis, renal tuberculosis, epididymal tuberculosis, female genital tuberculosis, and osteoarticular tuberculosis.