With the current education system, the application of information technology in teaching, especially in preschool education, plays an important role in meeting the practical requirements of educational innovation in Vietnam.Using IT software to design and support teaching will help preschool teachers convey more vivid, rich and attractive content of the lesson, and at the same time stimulate children’s interest, help children easily absorb knowledge, helping teachers achieve good results in the teaching process. In this article, we refer to the application of some features of PowerPoint and Paint software to support preschool teachers in designing and teaching subjects to provide lesson knowledge for children and positive interaction in order to develop the quality and capacity for preschool children.