中文摘要：

大数据给统计学带来了机遇、挑战和紧迫感。本文描述大数据的环境，利用大数据的目的和大数据带来的变革；介绍国内外有关大数据的研究动向；探讨大数据包含的信息，大数据的预处理、抽样和分析方法。

英文摘要：

Big data brings opportunity, challenges and urgency for statistics. This paper describes the environments of big data, the goal of big data and the revolution by big data. And it also introduces the research trends for big data at home and abroad. The information, preprocess, sampling and analysis of big data have been discussed.