The patient’s pain on the right half of the face, which is also accompanied by special pain around the eyes, is usually caused by herpes zoster, cellulitis of the eyelids, and neuropathy. 1. Herpes zoster: When a patient is infected with varicella-zoster disease, it can invade the nerve fibers causing severe pain sensation on half of the face. The face is the most affected area, and the onset of the disease usually causes pain on half of the face, which can also spread to the area around the eyes. 2. Cellulitis of the eyelid: Cellulitis of the eyelid is caused by bacteria and other germs infecting the eyelid tissues. In addition to causing pain around the eyes, the inflammation will also spread to the lymph nodes of the face, which may cause pain in half of the face. 3. Neuropathy: Trigeminal neuralgia, facial neuritis and other neuropathy patients, can also appear half of the face pain, and can be involved in the pain around the eyes. It is recommended that patients with significant facial pain go to the hospital in a timely manner to assess their condition and have a doctor develop a reasonable treatment plan.