Research the data flow classification and mining algorithm based on decision tree, the research idea is to first describe the general decision tree; then focus on the implementation of the data flow decision tree VFDT algorithm, using the parallel computing of Twitter Storm distributed streaming computing framework and Yahoo SAMOA scoring Platform. Encouraging the design and development of smart courses has gradually become the focus of teaching work in major universities, and the construction of a teaching evaluation system for smart courses is the top priority of the work. Convert half of ordinary colleges and universities to vocational education. As an important link to ensure the teaching results of vocational education, practical teaching has become an important research field of teaching reform. How to improve the teaching quality of practical teaching.