Big data has the characteristics of massiveness, diversification, low value and rapidity, which is deeply influencing and reconstructing the online education. In the practice, it is important to give full play to the role of big data, focusing on its functions concerning forecasting, clustering, exploring, refining, backtracking and discovering. The study on the educational technology matching big data analysis, and the exploration of the development trend and law of online education can help to suc-cessfully get out of the dilemma facing with the online education, and to realize the individualized development strategy with the promoted educational technology and educational thinking based on big data.%大数据具有大量化、多样化、低值化、快速化的特点，其正在深刻影响并重构着在线教育。实践中，应充分发挥大数据应用的作用，重视其预测、集聚、挖掘、提炼、回溯、发现等功能，研究与大数据分析相匹配的教育技术，探索在线教育的发展趋势和规律，有效化解当前在线教育面临的困境，并最终实现以数据为基础，教育技术、教育思维同步提升的个性化在线教育发展策略。
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