All right. According to the developmental characteristics of infants aged 0-3 in Montoto Haikou, combined with Montessori's educational theory, we independently developed a professional system of baby-care teaching materials, which is a scientific and standardized one-day process. Duiyuansuo: The operation is simple, flexible and adjustable, seamlessly connecting with the conservation education in Haikou, Montoto, aged 3 to 6. To the teacher: I can easily play the role of a kindergarten teacher without increasing the burden of understanding.