(1) Observation method: A method to analyze the laws and characteristics of children's psychological development by purposefully and systematically investigating the performance of preschool children in daily life, games, study and labor, including their words, expressions and behaviors.

(2) Questionnaire method: a method to collect data through a series of questions designed by researchers according to the research purpose.

(3) Talk method: It is a way to collect objective and unbiased factual materials orally according to children's answers, so as to accurately understand children's development.

(4) experimental method: it is a method to change or control the activity conditions of preschool children according to the research purpose, so that their psychological activities are constantly changing, thus revealing the relationship between specific conditions and psychological activities.

(5) Work analysis method: it refers to an educational scientific research method in which researchers purposefully determine a theme for the research object, analyze the active works completed by the research object according to a predetermined procedure, and obtain the information needed for the research, so as to evaluate the development of the research object.

(6) Action research method: it refers to a research mode in which educational practitioners comprehensively apply various research methods and technologies in a natural and real educational environment according to certain operating procedures, with the primary goal of solving practical educational problems.