Eye pain one month after sinusitis surgery may be caused by postoperative infection, neuralgia, etc., or by eye pathology unrelated to sinusitis surgery. It is recommended to follow up in time to clarify the diagnosis. 1. Postoperative infection leads to sinus mucosal congestion, edema, hyperplasia and exudation, which will cause eye and facial distension, eye pain, nasal dryness, itching, and persistent aggravation of bilateral nasal congestion. 2. Mucosal edema or scar pulling after sinusitis surgery may compress and stimulate the nerve endings, which may lead to neuralgia, and there will be obvious headache or eye pain and so on. 3. Excessive eye use and increased intraocular pressure can also lead to eye pain and eye discomfort, which can be promptly treated in ophthalmology to clarify the cause. Sinusitis after surgery, patients should eat a light diet, do not eat spicy and stimulating food, avoid blowing the nose, so as not to cause bleeding of the wound, follow the doctor’s instructions oral or nasal spray treatment drugs, such as one month after the operation of self-conscious eye pain, you should consult a doctor for examination in a timely manner, and comply with the doctor’s instructions for standardized treatment.