Carnegie's four-dimensional eloquence theory holds that the training of children's eloquence is a kind of developmental training, because children's imagination and development are rich, which can creatively strengthen the training of children's Putonghua and eloquence. Different from composition, composition requires certain words and logical thinking, which is also an arrangement of thinking. The improvement of children's eloquence is helpful to the expression of children's language logic and further improve their expressive ability.

In real life, there are always people around who are good at telling stories. They will tell a story in beautiful, simple and rich language, take us into the world in the story with their clear logical thinking, infect us with their voices, language and expressions, and make us feel as if we were there and communicate with us. Having a good eloquence is equivalent to having a world of your own creation.

The writing of composition paves the way for eloquence. Sometimes it is impossible to straighten out the logic of thinking only by the brain, so we should organize our open thinking through words to make it logical and concise. Oral English is the most commonly used way of our daily expression, which needs to be as concise as possible. Writing often can improve our thinking speed. The coherence, accuracy and speed of oral expression can be guaranteed by combining thinking with practice. Good eloquence can not only reflect a person's personal charm, but also improve a person's social status and honor.

Good eloquence is the expression of the application of words. A person's eloquence does not mean his writing ability is good, but his eloquence can guide his writing. Good eloquence means that this person's thinking has a clear and bright direction, and he speaks forcefully, accurately and persuasively. People with good eloquence also have a certain level of writing.