Educational experiment method is a method for researchers to control and manipulate some educational factors or conditions purposefully by using the principles and methods of scientific experiments and under the guidance of certain educational theories and assumptions, and to reveal the laws of educational activities by observing the changes of educational factors or educational phenomena accompanying the controlled conditions.

It has four characteristics: based on scientific assumptions; The experimental process is strictly and actively controlled; Explore the causal relationship between variables; It is repeatable. Educational experimental methods can be classified according to different standards. Educational experiment method has its own advantages and limitations. Generally speaking, the process of educational experiment can be divided into three basic stages: preparing experiment, implementing experiment, summarizing experiment and evaluating experiment, which is a relatively stable process.