Chen Heqin put forward the theory of "living education", attached importance to scientific experiments, and advocated that the development of children's education in China should suit the national conditions and conform to the laws of children's physical and mental development; Call for the establishment of a training system for children's education teachers. Write dozens of kindergarten and primary school textbooks and children's extracurricular reading materials, and design and promote toys, teaching AIDS and juvenile group equipment. I have been engaged in a series of pioneering research and practice of early childhood education all my life, including works such as Family Education.