On October 16, 2021, the 17th P45 Beauty Anatomy Chen's Facial Rejuvenation elite training class was held in Dalian Hongfeng Biotechnology Co., LTD. For more than a year, learn and inherit Chen's SMAS wrinkle removal. In the process of discovering and creating beauty, the team leaders Professor Sui Hongjin and Professor Chen Xueshan answered questions and puzzles for the students. Confusion and doubt, communication and refinement, blend in the romantic city of Dalian, the small waves rolling.