Ma Xiaonian (Simplified Chinese: 马æÂÂå¹´; Traditional Chinese: 馬æÂÂå¹´; pinyin: MàXiÃÂo Nián; born May 8, 1945, Fenyang, Shanxi, China), is a Chinese physician and professor of sexual medicine who pioneered the field of sexual medicine and sexology in China. Ma's research on sexual medicine and Chinese sexuality has profoundly influenced cultural and social values in China since the 1980s. His recent sexological work has focused primarily on Chinese female sexuality