1978年 9月 ,童年即随父母“改造”而落户四川遂宁农村的刘勇考入重庆钢铁工业学校采矿专业学习。他以德、智、体多方面的优异成绩赢得了老师的信任和同学的信赖 ,连续三年被评为学校“三好学生” ,从入学到毕业 ,一直担任矿 10班的团支部书记、副班长。其间 ,还担任学校学生会 September 1978, that is, with his parents “childhood” transformation “and settled in rural areas of Suining, Sichuan Liu Yong admitted to the mining industry in Chongqing Iron and Steel professional learning. He won the trust of the teachers and the trust of his classmates with his outstanding achievements in moral, intellectual and physical aspects. He was named the ”Three Good Students" for three years in succession. From entering the school, he has been the party branch secretary of the mine, Monitor In the meantime, also served as a school student union