Tuberculosis test paper, i.e. Mycobacterium tuberculosis antibody IgG test paper, is two bar positive. After the human body is infected with Mycobacterium tuberculosis, it will produce certain antibodies. Tuberculosis test paper can test whether there are antibodies to Mycobacterium tuberculosis in the human body, so as to determine whether the human body is infected with Mycobacterium tuberculosis. There are two lines on the test paper, one for quality control and one for testing. Only when the specimen is qualified, the test kit is regular, and both lines are displayed on the test paper, can the test result be judged as positive, indicating that the patient may be infected with Mycobacterium tuberculosis. Mycobacterium tuberculosis antibody IgG test paper is only a preliminary screening tool, and cannot achieve the purpose of confirming the diagnosis. Therefore, in order to make a definite diagnosis, it is still necessary to go to a regular hospital, and under the guidance of the doctor to carry out sputum culture of tuberculosis bacilli, lung X-ray and so on to make a final diagnosis.