1. Theory and practice of early childhood education: To explore the basic concepts, methods and skills of early childhood education and how to apply these theories to practical teaching. For example, we can study the practice and innovation of Montessori education method, Reggio education method and other international advanced early childhood education concepts in China.

2. Children's psychological development and education: pay attention to children's psychological characteristics and development laws at different ages, and how to carry out effective educational guidance according to these characteristics. For example, we can study children's early social emotional development and cognitive development.

3. Combination of family education and school education: Explore how to strengthen communication and cooperation between family and kindergarten, and promote the all-round development of children. For example, we can study the ways and effects of parents' participation in kindergarten activities and their influence on children's growth.

4. Kindergarten curriculum and teaching reform: pay attention to the reform and innovation of kindergarten curriculum, teaching methods and evaluation methods to improve teaching quality and effect. For example, we can study the game-oriented kindergarten curriculum design and implementation strategies.

5. Professional development of preschool teachers: To explore how to improve the professional quality and teaching ability of preschool teachers to meet the development needs of preschool education in the new period. For example, we can study the practical experience and problems in teacher training and teacher team construction.

When writing a thesis, kindergarten teachers should pay attention to integrating theory with practice and make in-depth analysis and thinking in combination with their own educational and teaching practice. At the same time, we can refer to the research results in related fields at home and abroad, learn from advanced concepts and methods, and contribute our wisdom and strength to the development of early childhood education in China.