Tuberculosis is easy to cause low fever, body temperature between 37 ℃ – 38 ℃, mainly in the afternoon fever, but also accompanied by generalized weakness, night sweats and other symptoms. This disease is mainly due to Mycobacterium tuberculosis infection caused by chronic respiratory infectious diseases, will be in the body’s resistance to the onset of weakness, in addition to cause fever, but also cause coughing, coughing up sputum, coughing up blood, chest pain, but also emaciation, the body’s resistance will gradually decline. When tuberculosis appears to spread by blood, or when accompanied by bacterial infection or viral infection, it can also cause high fever, you need to go to the hospital to take a chest X-ray examination, you also need to do sputum examination, tuberculin test, drug sensitivity test, you need to choose sensitive antimicrobial drugs and active treatment.