In order to improve physical education quality, strengthen education management and further stir up teachers working enthusiasm, it needs to provide one kind of scientific method to evaluate sports teachers’ teaching; this paper takes physical education quality improvement as an example, put forward scientific method to carry out evaluation on sports teaching working quality, and use 4 classes sports performance testing the model. This paper totally establishes two models, in the first model it mainly adopts principal component analysis method, get more scientific sports teachers teaching comprehensive evaluation indicator by principal component analysis of 5 indicators; In the second model, through lots of data, carry out three levels indicator fuzzy evaluation on collecting objects, finally use normalization approach to get results.