The development of information technology makes the extraction and application of big data possible, and makes the samples and main part of scientific research combine with each other and become an equivalent concept for the first time. With big data as the breakthrough point, this paper further explores the key and difficult points of freshmen in online visual-audio course, and comes to a conclusion that is conducive to the suc-cessful implementation of online visual-audio course reform and is of certain guiding significance to students' learning and teach-ers' counseling.%信息技术的发展使大数据的提取和应用成为可能，也使科研的样本和总体首次结合在一起并成为等同的概念。本研究以大数据为切入点，深入探讨了大一新生在网络视听过程中的重点和难点问题，由此得出的结论有利于网络视听课程改革的顺利进行，对学生的学习和教师的辅导也有一定的指导意义。
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