Ordinary chest X-ray can screen tuberculosis, can assist in the diagnosis of the disease, but the definitive diagnosis of the disease must be combined with a variety of test results for comprehensive analysis and judgment, such as part of the lesion is small need CT examination. Tuberculosis is a kind of chronic respiratory infectious disease that people are more familiar with, which is caused by lesions in the lungs due to tuberculosis infection. Chest X-ray is an ordinary X-ray examination, which can understand the location of lung lesions, the nature of the lesions and the scope of the lesions, and most patients will have more typical imaging features. However, it is not possible to diagnose the disease solely on the basis of a plain chest X-ray. Disease diagnosis requires a comprehensive analysis that combines medical history, pathogenetic testing, imaging, and endoscopy. Whether it is tuberculosis or any other disease, the diagnosis of a disease cannot be confirmed by any one test alone. If tuberculosis is suspected from a chest X-ray, further tests are needed to make a definitive diagnosis. Individuals who experience symptoms suspicious of TB are advised to seek medical attention.