Fangfang Xu,Head of Education Research Office,Compliance Office and national integrated subjects & Chemistry Teacher, got Master of Education from Beijing Normal University, majoring in chemistry teaching. She has successively served as a chemistry teacher in grade three of No. 101 middle school and Tsinghua Education Group. She has more than 10 years of chemistry teaching in grade three of Junior high school in Haidian District and many years of working experience as a homeroom teacher. She pays attention to allowing students to learn chemistry in self experience in chemical experiment activities, and guides students to participate in activities smoothly through real-time and timely evaluation so that students not only obtains core knowledge in activities, but also improves key abilities and necessary character.