If you are in close contact with tuberculosis patients, especially those with infectious tuberculosis, you need to pay close attention to your physical changes and go to a designated tuberculosis hospital in time for screening to see if you are infected with tuberculosis and to avoid contact with infectious tuberculosis patients again. Living and working places should pay attention to frequent window ventilation, keep indoor circulation, enhance nutrition, exercise properly, improve the body’s immunity, prevent and infect the onset of infection Infection and disease. If there are suspicious symptoms of tuberculosis, i.e. coughing and coughing up sputum for more than 2 weeks, or blood in sputum or hemoptysis, the possibility of having tuberculosis should be considered, and timely examination should be conducted at the local designated tuberculosis hospital to avoid delaying the diagnosis and treatment. Tuberculosis examination mainly includes TB symptom screening, PPD skin test, sputum TB bacillus examination and lung X-ray examination. If the test results exclude TB but TB infection is present, anti-TB prophylaxis may be administered on an informed and voluntary basis. If the test confirms that you have TB disease, you need to receive standardized anti-tuberculosis treatment at a designated TB hospital in a timely manner.