I used to be named Cheng Guoming, whose name was bitter army, and whose name was Mo Chi. My bedroom was full of worries and happiness, and my study was Yiyunzhai. He used to be the vice president of Dongcheng Branch of Beijing China Calligraphy and Painting Amateur School and the executive vice president of Beijing Tieliu Art Calligraphy Research Association. In 1984, he founded Beijing Yiming Calligraphy School as the principal.