Education practical is the main direction for comprehensive education assessment. It is not only the important combination and bases of teaching assessment but also the quite significant component during education processes that arrange, detect and guide the teaching process. However, there still have urgency problems to solve in the present teaching quality assessment. A large mount of teaching works and the practical data information that still maintain in the data storage, research and

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... statistic. Aiming at the enormous data estimation and understand that is still in the artificial solution. These data cannot express the effect. How to effective, directly and reasonable understand the teaching work that based on the huge amount of data and on a certain degree to transform this relation to the important circle of teaching quality assessment. All these need us to take great energy to discuss.