The sutures are placed directly between the skin and the eyelid, so that the skin of the upper eyelid adheres to the eyelid plate and forms a heavy eyelid. In general, buried eyelid surgery is basically harmless when done correctly. The normal Asian eyelid width is 6-8mm on average, or even 1cm; if the patient exceeds the anatomical structure in order to make the eyes bigger, he or she may feel weak in opening the eyes or even have difficulty in closing the eyes after surgery. In addition, if the operating physician is not skilled and the thread knot is buried too shallowly, it may appear exposed and even form small local cysts, asymmetry between the two eyes, and unsatisfactory curvature. Therefore, when choosing to do double eyelid surgery, candidates must choose the most suitable surgical method under the advice of a professional doctor, taking into account their own specific conditions, in order to achieve the best surgical results.