Abstract According to the classification theory about: the study result in modern studying psychology, and the characteristic of chemistry, the article expounds and analyses the classification about the result of studying chemistry, the definition of classification about every study, psychological essence, expression of behavior and methods of surveying. Under the guide of classification theory about, the result of studying, and in terms of the practice of secondary classroom teaching of chemistry. The article also puts forward our recognition and realization on how to state teaching aims scientifically, how to design teaching process, choose methods of teaching and how to make teaching measurement.