"New Curriculum Standard" puts forward "developing image thinking and logical thinking and developing creative thinking in expression practice". In Chinese course, expression practice is mainly reflected in writing training, which determines that writing teaching should take cultivating students' thinking quality and improving students' thinking ability as the primary task. If the cultivation of students' thinking quality and ability training are neglected in composition teaching, the improvement of students' composition ability is only an armchair strategist.

So, what is thinking ability? That is, on the basis of perceptual knowledge, people use basic methods such as comparison, analysis, synthesis, induction and deduction to form concepts and make judgments and inferences, thus gaining the ability to understand the nature and laws of things. [1] The writing process is essentially a process of thinking presentation, and classroom composition teaching is an effective way to cultivate students' good thinking quality and ability. Composition teaching should start with cultivating students' three basic qualities of agility, multidirectional and profundity, and improve students' thinking ability, so as to cultivate social talents who can learn and develop. The following author starts from these three aspects and talks about how to cultivate students' thinking ability in composition class.

First, guide extracurricular accumulation, strengthen in-class training, and improve students' thinking agility.

"The agility of thinking refers to the premise of the correctness of thinking. In the process of dealing with problems and solving problems, I can adapt to emergencies, think positively, think carefully, judge correctly and draw conclusions quickly. " [2]

Donald Quinn, an American scholar, said: "In the whole writing, writing and thinking are produced at the same time, and the process of writing is also the process of thinking." [3] agile thinking, which is popular today.