Drug-resistant tuberculosis is a disease caused by infection with Mycobacterium tuberculosis, which is contagious to a certain extent. Drug-resistant tuberculosis is a disease caused by the infection of tuberculosis bacteria with resistance to one or more tuberculosis drugs, which is also contagious, and patients with drug-resistant tuberculosis often have open tuberculosis, which is often more contagious. Drug-resistant tuberculosis must be treated in a specialized hospital, sputum tuberculosis culture must be performed, and sensitive antibiotics must be selected according to the culture results.