Ms Sally Cai graduated from the beautiful West Lake Zhejiang University of Technology, bachelor’s degree, and the Communist Party of China. After graduation in 2010, she has been engaged in primary school mathematics teaching in Guangdong and Hunan International Schools. She has taught smart tablet classes, international classes, mother tongue reform experimental classes and bilingual experimental classes. She was highly praised by the school and parents because of the classes with outstanding performance in mathematics and she won awards in many kinds of competitions. Sally has been teaching for more than ten years, the excellent growth of students is the greatest achievement in my life. "Care about students, devote on teaching", is my thought and behavior as a teacher. She has been practicing "love to students, sincere to parents, confidence to myself".