45 years old. Teacher Ma Yong was born in 1977 and graduated from Sun Yat-sen University 1995. She holds a bachelor's degree in auditing from the School of Management and a master's degree in law from China University of Political Science and Law. She has been teaching for more than 20 years and will be 45 years old in 2022. In addition to the classroom, it belongs to Chengdu Huanyuzhi Technology Co., Ltd., focusing on zero-based accounting training. This is a comprehensive and innovative accounting online education platform.