1. picture books are underutilized: Although picture books are of great significance to children's development, teachers may not fully realize the role of picture books in actual teaching, resulting in low utilization rate of picture books.

2. Improper selection of picture books: When choosing picture books, teachers may not fully consider the children's age, interest, cognitive level and other factors, resulting in the content of picture books not suitable for children and unable to arouse their interest.