Unlike knowledge, wisdom emphasizes the ability to think philosophically about life. As shown in Figure 2.2, the data is accumulated through original observation, and the information obtained from analysis can be used to answer simple descriptive questions, guide actions, understand knowledge, remove falsehood, retain truth, and finally form wisdom. Wisdom is the perception of the future. Data, information and understanding are related to the past. Background, background and receiver are very important for the transmission of data, information and knowledge. Some processed data may be simple information from B, but it may also be data from B. The use of dikw should be combined with specific context and scenarios, because the information a published by one system may be the original data from another system B.For the education industry, teachers can collect students' learning data, analyze, refine and process the data, combine teaching experience, form personalized teaching knowledge, mine the information hidden in the data, and finally become a unique professor. Great.