Language items are an important criterion for composition grading. The language of the paper should be accurate, vivid and vivid. When writing a thesis, some students often pose as telling the truth and move out of philosophical principles and dialectical terms in order to reason thoroughly, but the effect is counterproductive. There are 1000 versions of a truth. Try to choose a vivid version. In order to show vivid effect, vivid and even gorgeous language is essential in addition to using analogy, analogy and examples. Pay attention to using hypothetical sentences, rhetorical questions or whole sentences to make the article more irrefutable. Although the power of modifying language cannot be achieved overnight, it will naturally improve as long as it is accumulated for a long time.