Femtosecond surgery generally refers to femtosecond laser myopia surgery, and the precautions to be taken after the surgery mainly include following the doctor’s prescription for medication, doing a good job of eye protection, and paying attention to a reasonable diet. 1. Compliance with the doctor’s prescription medication: femtosecond laser myopia surgery is currently a commonly used clinical treatment of myopia surgery, the patient’s eyes will have wounds after the surgery. At this time, patients need to strictly comply with the doctor’s instructions to use antibiotic eye drops for anti-infection treatment, to avoid the wound contact with bacteria and other substances induced infection, affecting the postoperative recovery. 2. Do a good job of eye protection: due to the presence of wounds in the patient’s eyes after surgery, while carrying out anti-infection treatment, try to avoid contact with the eyes within one week after surgery, and wear an eye mask when sleeping to avoid touching the eyes during sleep, which will affect the effect of the surgery. When patients wash their face and hair within 1 month after surgery, they should pay attention to avoiding the eye from getting wet to induce infection, and try to wear eyeglasses when they go out. At the same time, patients need to control the intensity of eye use within 1~3 months after surgery and avoid prolonged use of medication. 3. Pay attention to reasonable diet: patients need to pay attention to a light diet within 1 month after surgery, at the same time need to quit smoking and drinking, to avoid the formation of stimulation to the wound, affecting the postoperative recovery. There are many precautions to be taken after femtosecond laser myopia surgery, so it is recommended that patients consult the doctor after surgery and strictly follow the doctor’s instructions for postoperative care.