•Doctor of Medicine •Mainly studied the clinical application of quill line in recent years •The first 5 quill line operations were performed in mainland China •Operated on 1000+ cases with quill line over the past few years •Published 4 monographs on thread rejuvenation, 3 patents for buried needle and designs •Invented the Zhang’s THREAD TECHNIQUE with the core of the Reposition (resetting)of folded fibrous tissue