1. Literature review: Through the collection, arrangement and analysis of relevant academic literature, research reports and policy documents, we can understand the practice and policies of preschool education in different countries or regions and the development trend of related research.

2. Questionnaire survey: By designing and distributing questionnaires, collect the opinions and opinions of preschool education practitioners, educational policy makers and preschool education parents. Questionnaire survey can be used to explore the differences, challenges and improvement directions of educational practices and policies in different countries or regions.

3. Case study: Select some representative preschool education institutions or projects, and study their educational practice, teaching methods, curriculum, teacher training, etc. Case studies can provide in-depth, specific and detailed information, and help to understand the characteristics and advantages of preschool education in different countries or regions.

4. Horizontal comparative study: Two or more countries or regions are selected as comparison objects to explore the similarities and differences of their preschool education systems and make a systematic comparative analysis. Researchers can compare the similarities and differences in educational policies, regulations, courses, teaching methods, teacher training, and parental participation.

5. Longitudinal comparative study: Choose different time nodes of a country or region as the comparison object, and track and analyze the changes and development trends of preschool education policies and practices. This method is helpful to understand the historical evolution of preschool education reform and development and its influence on children's education and social development.

6. Cross-border comparative research: At the same time, research is carried out in many countries or regions to compare preschool education practices and policies under different cultural backgrounds. This method is helpful to reveal the common problems and challenges of preschool education and the best practices shared across borders. The research method of preschool comparative education is usually to obtain comprehensive and in-depth research results by using various methods. Researchers will choose and combine appropriate research methods according to the purpose, object and feasibility of the research.

Pre-school comparative education is of great significance

1. Reference and reference: Comparative preschool education can provide reference and reference for preschool education in other countries or regions by comparing preschool education practices and policies in different countries, regions or cultural backgrounds. It can reveal the different practices of different countries or regions in terms of educational objectives, curriculum, teaching methods and evaluation system. To help countries or regions find advantages, make up for deficiencies and improve the level of preschool education.

2. Promote experience sharing and exchange: Pre-school comparative education provides an exchange platform for pre-school educators in different countries or regions. By sharing research results and practical experience, preschool education practitioners can learn from each other and learn from the beneficial experiences of other regions to promote the common progress of preschool education.

3. Promote policy formulation and reform: Pre-school comparative education can provide a lot of research evidence and data support for policy makers. By comparing the research results, policy makers can understand the policy practices and effects of other countries or regions, so as to better formulate their own preschool education policies and promote policy reform and development.