Beijing Tops Information Technology Co., Ltd. is a key software enterprise within the national planning layout, with a registered capital of 465 million yuan, listed on the Shenzhen Stock Exchange GEM board in 2011 (stock code 300229), the company's assets of nearly 2 billion yuan. As a big data technology service provider, Topsy takes its own innovative development and industrial integration, adheres to the two-wheel drive strategy of technology + service, independently develops and launches the Hai Bei big data management platform, and provides competitive big data application solutions for the government, media, security, finance, education, large enterprises and other fields. But the best thing we do is to monitor public opinion.

With the rapid development of the Internet, the Internet has become the main means for people to disseminate and obtain all kinds of information.Data from the 41st Statistical Report on the Development Status of the Internet in China released by the CNNIC on January 31, 2018, shows that as of December 2017, the number of Chinese Internet users reached 772 million. With the continuous development of mobile Internet technology, the rapid popularization and promotion of mobile smart terminals, China is gradually moving towards a comprehensive networked "big data era".

With the advent of the era of big data, online public opinion, which is formed by the public expressing their emotional will and rights and interests through the Internet, has become an important channel for the Party committees and governments at all levels, as well as enterprises and institutions of various industries, to understand the public sentiment and gather the public's wisdom. On the one hand, big data has made it more difficult for the government and public **** departments to manage online public opinion, making it difficult for traditional public opinion monitoring and research methods to be effective; on the other hand, it has also brought new opportunities for online public opinion management, and with the help of big data analysis, it is possible to more comprehensively grasp the interplay between the laws of operation of online public opinion and the reality of the society, and to grasp the emotions of netizens more accurately to anticipate the development trend.