With the continuous development of the economy and the continuous progress of the society,
the research of developmental psychology in our country is also constantly moving forward. In 2010,
Professor Lin Chongde clearly stated in the article “Realistic Turn of Developmental Psychology” that
the research of developmental psychology should make a more realistic turn, which must be oriented to
the real needs of China’s society, to solve various practical problems, and to strengthen the application.
Research and application of research results[1]. This kind of applied research should follow specific
principles, and the research results can be widely used in the fields of quality education, mental health,
and harmonious society construction. Judging from the current research results, developmental
psychology has indeed made great progress in basic research and applied research. This paper will explain
the research status of developmental psychology from two aspects of academic and applied research, and
take the research on the mental health of the elderly as the specific content.