Through the definition of mathematics experiment, this paper explains what mathematics experiment is, and makes a detailed analysis of middle school mathematics experiment, explaining the characteristics and classification of middle school mathematics experiment. In order to enrich the theoretical system of mathematics experiment teaching, this paper focuses on the design, teaching mode and teaching method of mathematics experiment teaching in middle schools, hoping that this research can help teachers understand mathematics experiment teaching. Encourage teachers to carry out experimental teaching in mathematics teaching and provide more practical experience for experimental teaching.