39 years old Jiang Sheng hair is a substitute teacher in Zhaotong Weixin County, Yunnan. On the eve of the Spring Festival in 1995, the sound of the river was rushed to repair the village's power line due to heavy snow, which was severely injured by high voltage electric shock and lost its arms. In order to survive, he once vagrant and begged. In 2003, Jiang brothers, who taught for more than 30 years, retired. In the village, "one teacher, one school" did not have a teacher in primary school. The teachers outside do not want to come. The young people with a little culture in the village go out to work. The village group leader suggested: "Jiang Sheng is at home and has nothing to do, and the word is well written. Let's choose him." This proposal has been recognized by all the villagers. Jiang Shengfa became a substitute teacher for ten years. Picture shows Professor Jiang has no arms, but his students are not surprised at all. Ten years of teaching experience, let the voice in the classroom calm calm.