Objective Traditional rhytidectomy may produces some unpleasant results,such as :long scar and numbness of the scalp,more alopecia ,more bleeding and long recurrence etc.

• 目的传统除皱术在达到除皱效果的同时难以避免产生一些不良反应，如较长的头皮瘢痕、麻木、脱发、出血多、恢复期长等。