Tuberculosis is a disease that occurs as a result of infection with Mycobacterium tuberculosis. Mycobacterium tuberculosis is a contagious pathogenic microorganism and is classified as a statutory infectious disease by the state, so it is important to report this infection once it is discovered. After TB infection, the main symptoms are low fever, weakness, night sweats, sweating after falling asleep, poor eating and weight loss. Patients with tuberculosis have specific symptoms, such as coughing, coughing up sputum, blood in the sputum, chest tightness, and difficulty breathing. Patients with intestinal tuberculosis will have symptoms such as abdominal pain and diarrhea. There are also bone TB and a special part of brain TB, which may have bone pain, back pain, or even paralysis or headache or dizziness, so different TB is different symptoms. Tuberculosis is an infectious disease, mainly caused by respiratory transmission and digestive tract transmission.