Elderly people suffering from blood-borne TB need to be hospitalized for about 1 month for anti-tuberculosis treatment, or longer if respiratory failure, meningitis, etc. occur. Blood-borne tuberculosis is a more serious form of tuberculosis, in which the tuberculosis bacteria multiply in the human bloodstream and can spread to multiple organs, such as the brain, lungs, kidneys, liver, etc. The elderly have poor resistance and may involve multiple organs at the same time. Elderly people have poor resistance and may involve more than one organ at the same time. If the lungs are simply involved, hospitalization for about 1 month is required through regular anti-tuberculosis treatment. If the TB lesion involves multiple organs, respiratory failure, meningitis, etc., requiring endotracheal intubation, ventilator-assisted ventilation, and admission to the intensive care unit, the hospitalization time will be longer and life-threatening.