The nodule in the middle lobe of the right lung is a benign nodule. If the patient does not have any clinical symptoms, it is recommended to review the nodule periodically, such as at 3 months, 6 months, and 12 months, to observe whether the nodule has any dynamic changes. If there is no dynamic change, the nodule is considered benign and does not require special treatment. If the patient has respiratory symptoms at this time, such as cough, sputum, low fever, malaise and other symptoms, it is necessary to further improve the blood routine, sputum test for antacids, C-reactive protein and other related tests, to assess whether the nodules appear due to pathogenic bacteria. If the nodules are caused by pathogenic bacteria, different treatments should be taken according to different pathogenic bacteria, for example, antibiotics can be used for treatment when caused by bacteria. For example, antibiotics may be used for bacterial causes, while anti-tuberculosis treatment is required for Mycobacterium tuberculosis causes.