Children participate in activities that apply scientific experiments. I see that the children’s expressions are very positive, they are very focused and excited when they see the results before their eyes. Therefore, preschool teachers are required to research and incorporate chemical experiments into all activities for children. Change the form of activities for children, helping them become more interested in all activities in class. This article has proposed a number of measures to manage and direct the implementation of a number of chemical experiments to arouse children’s interest in activities in preschools in Dai Ang commune, Thanh Tri district, Hanoi city. improve quality and meet current educational innovation requirements.