Tuberculosis is mainly caused by Mycobacterium tuberculosis infection, Mycobacterium tuberculosis dark, dry environment on clothes can survive for weeks to months. The causative organism of TB is mainly Mycobacterium tuberculosis, which is highly resistant to dryness, cold, acid and alkali. Mycobacterium tuberculosis can survive for several weeks to months in dry environments or indoor dark places. Therefore, Mycobacterium tuberculosis can survive for weeks to months on clothing stored in a dry, dark environment. Mycobacterium tuberculosis is more sensitive to ultraviolet light, 2-7 hours of direct sunlight can kill Mycobacterium tuberculosis. 30 minutes of 10W ultraviolet light from the irradiated object of 0.5 meters to 1 meter of irradiation can also kill Mycobacterium tuberculosis. Mycobacterium tuberculosis can be killed if clothing is exposed to direct sunlight or ultraviolet light for a long time. In addition, Mycobacterium tuberculosis is sensitive to moisture, heat, alcohol, etc. If it is heated at high temperature for more than 15 minutes or boiled, it can kill the germs. Hygiene should be observed in daily life, and timely medical attention is recommended if you feel unwell.