Whether surgery can be done for high myopia depends on the degree of myopia as well as the presence of other diseases in the eye, corneal thickness and many other factors, and cannot be generalized. There are several types of myopia surgery, the most common being corneal laser surgery and intraocular surgery. Laser surgery mainly includes excimer laser and femtosecond laser, both of which operate on the cornea and change the refractive power of the eye to reduce the degree. However, they are not suitable for everyone. They must be at least 18 years old and mentally and psychologically healthy, have a myopia of 600-1200 degrees with a maximum of 1500 degrees, astigmatism of 600 degrees or less, a change of about 50 degrees in the last two years, and an appropriate corneal thickness. Intraocular surgery is performed on the lens and anterior and posterior chamber to change the refractive state of the eye and is suitable for most high myopia. If the patient has both high myopia and cataract, cataract surgery can be performed directly to replace the lens. If the patient is only highly myopic, an IOL can be implanted in the anterior or posterior chamber. In addition, the patient has been examined before surgery and has no relevant contraindications. To have myopia surgery, patients should visit an ophthalmologist, stop wearing rigid corneal contact lenses 3 weeks before surgery, stop wearing contact lenses 1-2 weeks before, ensure sufficient sleep the night before, and do not wear makeup or perfume on the day of surgery.