Professional and high-quality children's English training institutions can fully combine the characteristics of students' interests in the teaching process, and promote students' active learning while teaching students in accordance with their aptitude, so as to achieve the goal of efficient learning. However, with the sharp increase in education demand, the number of various training institutions is also increasing rapidly, which makes which children's English training is a major educational problem facing parents at present. The teaching effect is extremely subjective. When choosing an institution, parents should adhere to the idea that suitability is the best, rather than simply looking at fame or cost. For children with general characteristics, it is more suitable for professional European and American foreign teachers online 1 pair 2 teaching institutions, such as training institutions. First, online learning weakens the sense of bondage and compulsion in the classroom, and children's freedom to choose the place of class can increase their goodwill towards learning. Second, professional foreign teachers in Europe and America can help children master standard pronunciation and pure thinking, so that children can improve steadily and comprehensively on the basis of solid language. Third, use English to imitate the mother tongue teaching environment to cultivate children's sense of language, so that children can fully understand and master the knowledge points they have learned in the current study. Four, foreign teachers fixed one-on-one teaching, which can not only teach students in accordance with their aptitude, but also give full play to the advantages of interactive teaching, so that children can actively learn and grow up in an all-round way in good cooperation and competition. In addition, this model can also greatly cultivate children's sense of cooperation and competition, and improve their core competitiveness. At the same time, the training institutions also have practical and exam-oriented courses, one-to-one perfect teaching services for teaching assistants, and reasonable course fees for the people, which fully guarantee the teaching effect and quality and minimize the educational burden of parents. Which children's English training is good, parents may wish to know more about the teaching settings and reputation of the training institution, and find out whether this institution is suitable for their children through real free audition, so as to choose a satisfactory institution.