The era of big data has quietly arrived, how to deal with the challenges and opportunities brought about by the era of big data, is our contemporary college students, especially our computer science majors of college students of a serious subject that must be south to. The big data era is a golden age for us, the significance for us can be said to be like another 480 years. In the lecture, Dr. Qin Yongbin briefly introduced the basic concept of big data by the plot of a TV series "The Eunuch", and the two cases of Target and "Crime Prediction" let us y appreciate the irreplaceable and great role of "Big Data" in today's information age. The era of big data is the inevitable trend of the development of information society, we only closely follow the trend of the times, in technology, systems, values to make rapid adjustments and firmly follow up, in order to get rid of the next round of competition in the next round of constraints in the vulnerable situation. In order to grasp the direction of development. First of all, what exactly is big data and what is it used for this is now everyone's first contact with big data will have questions, and these questions in Dr. Qin's lecture we have learned. Big data is big, not only purely refers to the number of big, but in many ways on the interpretation of the meaning of big, is embodied in the data information is a massive amount of information, and in the dynamic changes and continuous growth. At the same time, big data in: speed (Velocity), diversity (Varietv), value density (value), volume (Volume) the four aspects (4v) are reflected. In fact, big data boils down to data, which is a generalized form of data description, different from the previous expression of data information, big data more inclined to express network user information, news information, banking data information, data information on social media, shopping site user data information, the scale of more than terabytes of data information.