Tuberculosis patchy striated hyperdense shadow is considered to be the old lesions left after the cure of tuberculosis, no special treatment is needed, and regular review is required. Tuberculosis is a highly infectious and pathogenic infectious disease caused by Mycobacterium tuberculosis infection. Tuberculosis patients are the main source of infection, mainly through the respiratory tract. Coughing, sneezing saliva, droplets can contain a large number of tubercle bacilli. Healthy people may be infected after inhaling these droplets. The main clinical symptoms of tuberculosis are cough, chest tightness, chest pain, low afternoon fever, night sweats, generalized weakness, loss of appetite or weight loss. After cured by regular anti-tuberculosis treatment, the imaging manifestations are calcified lesions, striated lesions, sclerotic lesions, purified cavities, pleural thickening, adhesions followed by calcification and other conditions. After the cure of tuberculosis, it is recommended to pay attention to good rest, ensure sufficient sleep, and maintain an optimistic state of mind. Regular re-examination of chest CT or chest radiographs to prevent recurrence of tuberculosis.