Soreness in the eyes after femtosecond surgery may be due to postoperative complications such as dry eye, conjunctivitis, etc. The discomfort can be relieved by artificial tears, antibiotics and other medications. 1. Dry eye: a common complication of femtosecond surgery, usually caused by intraoperative damage to the nerve fibers, due to the lacrimal glands can not be timely tears, resulting in tear film instability, blinking local friction, resulting in soreness and bloating sensation, compliance with the doctor’s orders can be applied to the treatment of sodium hyaluronate eye drops and other drugs. 2. Conjunctivitis: If the postoperative patients are not properly cared for, bacterial infection may occur, resulting in conjunctivitis, under the stimulation of inflammation, the local inflammatory secretion, which can stimulate the mucous membrane to make the local congestion, resulting in soreness and distension of the eyes. Generally under the guidance of the doctor through the levofloxacin hydrochloride eye drops and other drugs for treatment. After femtosecond surgery, patients should go to the hospital for review in a timely manner, and pay attention to eye hygiene to avoid excessive eye use.