On the basis of analyzing the connotation of STEAM teaching mode and taking the public college computer course, database Technology and Application as an example, the implementation path model of this mode is constructed, which can provide accumulation for enriching classroom teaching modes. The application effect of the model is analyzed from the perspective of information literacy and teaching mode satisfaction. Combined with the intension of the mode, discipline characteristics, and practical experience, the optimization strategies of STEAM teaching mode are provided for the further development.