Whether hyperthyroid synostosis can be cured depends on the nature of the synostosis. After the treatment of simple synophthalmos, it can be recovered to varying degrees or even returned to normal, and the prognosis of infiltrative synophthalmos is not as good as the former. 1. Simple synophthalmos: the main cause of simple synophthalmos is due to sympathetic nerve excitation, resulting in increased tension of the extraocular muscles and levator ani muscles, which is mainly manifested as lid opening, and most of the eyeballs protrude bilaterally. When hyperthyroidism recovers, the protruding eyes can have different degrees of recovery. 2. Infiltrative proptosis: also known as malignant proptosis, there is a lack of satisfactory treatment, and comprehensive treatment is mostly used, including hormone shock treatment, radiotherapy, orbital decompression surgery. Patients with hyperthyroidism protruding eyes should pay attention to quit smoking, avoid using electronic products such as cell phone and TV for a long time, and usually wear tinted glasses or eye masks to prevent the stimulation of bright light or dust. Patients with hyperthyroidism protruding eyes should be treated under the guidance of doctors.