Ground glass nodular shadow may be due to infection, tuberculosis and tumors and other causes of inflammatory reaction in the lungs, can not simply use anti-inflammatory drugs to treat, should be clear cause of the symptomatic treatment. Amoxicillin can be taken for infection, isoniazid can be taken for tuberculosis patients, and surgery is usually needed for tumor patients. 1. Infection: the main use of amoxicillin, cefaclor and other antibacterial drugs, amoxicillin can inhibit the synthesis of the bacterial cell wall so as to achieve antibacterial effect and reduce the local inflammatory reaction, so that the glass nodule shadow reduced or disappeared. 2. Tuberculosis: anti-tuberculosis treatment such as isoniazid and rifampicin can be used to inhibit the growth of Mycobacterium tuberculosis and kill Mycobacterium tuberculosis, and eliminate the local inflammatory reaction caused by Mycobacterium tuberculosis, thus eliminating the role of ground-glass nodule shadow. 3. Tumor: Tumor can also cause inflammatory reaction in the lungs and form ground glass nodules. Ground glass nodules caused by tumor can not be eliminated by medicines and usually need comprehensive treatment means of surgery, radiotherapy and chemotherapy. Patients with ground-glass nodules should go to the hospital in time, complete the examination, choose the appropriate treatment under the guidance of the doctor after clarifying the cause of the disease, and avoid self-medication at home.