Bloom’s taxonomy of educational goals divides the educational goals in the cognitive field into different levels from low-level to high-level, and the highest level is innovation. Our country is stepping into the era of knowledge economy step by step, cultivating students’ innovative thinking is the need of The Times development, the key to maintain the prosperity of national culture, and the development of national science and technology needs the promotion of education innovation. But the vast majority of middle school students lack of thinking in the learning process in our country, the lack of space imagination ability and logical thinking ability in the process of teaching, and teachers failing to cultivate students’ various mathematical ability, based on this the paper in bloom education target on the basis of how to improve the students’ mathematics creative thinking put forward the following Suggestions: Teachers should attach importance to preview before class and introduction, and students’ learning methods should be reformed: skillfully use “flipped classroom”, “group cooperative learning”, attach importance to the cultivation of students’ observation and analysis ability, attach importance to classroom summary and form knowledge system. And under the guidance of the classification of educational objectives, the teaching design of the sum of the first n terms of geometric progression is carried out.