Yuelan Cao,Ph.D,M.D Graduated from Medical College, Zhejiang University, Dr.Cao worked as Chief physician at Dermatology Department of Second AffiliatedHospital of Zhejiang University. Major in clinical and research of dermatology, especially in theresearch of Scleroderma, Lupus Erythematosus, Atopic Dermatitis,and laser cosmetology. she has presided over and completed four provincialprojects, and published more than 10 papers about the pathogenesis of Sclerodermaand systemic lupus erythematosus, and obtained national invention patent.