A positive Mycobacterium tuberculosis test indicates the presence of Mycobacterium tuberculosis infection, which may include tuberculosis of the lungs, intestines, and bones. Mycobacterium tuberculosis positivity is the most specific indicator of tuberculosis infection, which basically confirms the presence of tuberculosis. Tuberculosis includes pulmonary tuberculosis, intestinal tuberculosis, bone tuberculosis, lymphatic tuberculosis and so on. Patients may manifest as emaciation, night sweats, low fever, fatigue, etc., and some patients may have no obvious symptoms. It is necessary to complete other related examinations to clarify, such as chest CT, gastroenteroscopy, lymph node ultrasound and so on. Tuberculosis treatment is mainly based on taking anti-tuberculosis drugs, such as isoniazid, rifampicin, ethambutol, etc., which should be taken under the guidance of a doctor. It is recommended that patients who are positive for tuberculosis bacilli should consult a doctor in time and be treated by a professional doctor.