Punctate hyperdense shadow in the middle lobe of the right lung is an imaging manifestation seen on chest radiograph or lung CT, which indicates that there may be pulmonary solid lesions, nodules, calcification and other lesions in the right lung at this time, which is commonly seen in respiratory diseases, such as pneumonia, tuberculosis, lung cancer and other diseases. 1. Pneumonia: When pneumonia develops in a chronic process and the solid lesions are confined to the alveoli, punctate hyperdense shadows of different sizes may appear on CT of the lungs. It is common in bacterial pneumonia and viral pneumonia, and often has typical symptoms such as fever, cough and sputum. 2. Tuberculosis: Tuberculosis can be manifested as high density, clear and sharp edges, different sizes and shapes of single spot shadows on chest radiographs, and clinically manifested as cough, sputum, hemoptysis, night sweating, chest pain and other symptoms. 3. Lung cancer: peripheral lung cancer can show single punctate high-density calcified shadow on CT. Clinically, it is often manifested as cough, blood in sputum or hemoptysis, chest pain, etc. If the examination result shows that the right middle lung has been damaged, it may be found that the right middle lung has been damaged. If the test result shows punctate high-density shadow in the middle lobe of the right lung, the patient should not judge or diagnose by himself according to one test result, but should consult the doctor in time, and the doctor will analyze and diagnose clearly according to the specific situation.