From the perspective of vocational skills training of students in higher vocational colleges, the "craftsman spirit" should be integrated into the vocational education practice teaching system, combined with the practice teaching system at all levels, to build the practice teaching service platform of mechanical and electrical integration professional group. Feature selection algorithm, this paper build a practical teaching system model, this study put forward the model validation and applied based on the decision tree, variance and feature selection is chi-square feature selection model, the experimental data from students' learning practice of the survey results, through comparing the different results, it can be seen that the model put forward by the research of classification results have higher accuracy, Therefore, the fusion model designed in this study can improve the prediction accuracy, and is conducive to the design of electromechanical integration professional group teaching service platform, to promote the teaching reform process of higher vocational colleges. © 2021 IEEE
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