For many years, eye plastic surgeons in Beijing Danxi Plastic Surgery Hospital started with the causes of scar caused by traditional surgery, combined with the local structural characteristics of canthus, and improved it, instead of using the traditional extended incision and changing the position of the incision to make it more concealed. All the imported microsurgical instruments were used in the operation, and finally a new method of opening the inner canthus was formed, which really achieved the effect of not leaving scars for 3-5 days.