Having laid stress on the training of event flexible quality during Huang Ying’s sensitive period, the author achieved a success on juvenile Rhythmic Gymnast Huang Ying’s training, which laid a solid base for her future event achievements. In the article the author concluded her experience involving the training thoughts, training methods and training tricks, and made some illustrations as well as analysis towards these training. Having laid stress on the training of event flexible quality during Huang Ying’s sensitive period, the author achieved a success on juvenile Rhythmic Gymnast Huang Ying’s training, which laid a solid base for her future event achievements. In the article the author concluded her experience involving the the training thoughts, training methods and training tricks, and made some illustrations as well as analysis towards these training.