Ma Xiaoling. According to official website of Lanzhou University Hospital, Ma Xiaoling graduated from Weinan Medical College, 1987, and has been engaged in clinical, teaching and scientific research of dermatology for more than 20 years. Participated in the investigation and collection of genetic families of dermatoses planned by the state, presided over two provincial and ministerial scientific research projects, and participated in the clinical verification of many new drugs and beauty laser instruments. Therefore, Ma Xiaoling's medical skill is good.