Dai was born in Nanjing, Professor of Rhythmic Gymnastics is the national master-class athletes, was held in Beijing in 2001 World University Games and won team cooperation rope gymnastics and rhythmic gymnastics stick two individual gold medals parade, after her team on behalf of the Guangdong won the Ninth National Games champion in rhythmic gymnastics, and was known as "China's first beauty sports." University advertising and currently holds dual Bachelor of Arts, she has been staying certificate to teach, became a teacher of Beijing University, and the use of spare time, she would appear in a number of recreational activities at the scene.