Today's society has entered the era of big data. With the rapid development of technology, big data has also brought an indispensable influence on the law. Everything is a double-edged sword. Therefore, the relevant laws in the era of big data also assume the role of challenger. How to minimize all potential risks while maximizing the benefits of massive amounts of data for the peaceful society of mankind is a problem that we currently need to solve, and it is also a new research direction. This article will briefly explain the impact of big data on legal research from three aspects: the challenge of the big data wave to the law, the response of the law to modern technology, the thinking of modern science and technology legal education in my country, and the previous cases of combining modern technology and law.