LIU Bei-mao was born on July 10, 1903 in Jiangyin, Jiangsu province and passed away of illness on September 24, 1981 in Beijing. His father LIU Bao-shan was a scholar in Qing Dynasty. His eldest brother was LIU Fu and elder brother was LIU Tian-hua. He was brought up by his brothers as his parents died so early. He was instructed the performance of the erhu, pipa, dizi and the western instruments by LIU Tian-hua. In 1932, he was appointed the erhu professor of the Chongqing National Conservatory. In 1940, he has completed his maiden composition Han Jiang Chao. Since 1949, he was appointed by the Central Conservatory, Anhui Arts Academy and Anhui Teachers Training College as an erhu teacher. In 1970, he returned to Beijing for retirement due to sickness and lived with his son. He still worked hard in composition of erhu pieces.