The lower corner of the eye to the general refers to the lower eyelid to, external cut or internal cut is good, to analyze the specific situation, both have advantages and disadvantages. Nowadays, it is commonly used in clinical practice, and the results of the external incision method will be more obvious. Lower eyelid surgery is a relatively common procedure, mainly to improve the size of the patient’s eyes and change the vertical distance between the eyes. Commonly used surgical procedures include external and internal incisions. In general, the external incision method is more effective than the internal incision method of surgery because of the greater magnitude of improvement. An internal incision means that the incision is made within the eyelashes of the lower eyelid, while an external incision is made on the skin of the lower eyelid, so an internal incision usually does not show visible signs of surgery, while an external incision may show scars that can affect the appearance. The specific choice of internal or external incision should be made reasonably under the guidance of a professional doctor, and attention should be paid to eye care after the surgery so as not to affect the recovery.