Big Data is an emerging discipline resulting from the intersection of many disciplines and statistics. Big data involved in data mining, cloud computing of a kind, so it is a computer class of specialization. Distribution is relatively wide, more application industries.

Retail industry: mainly focused on customer marketing analysis, through big data technology can analyze customer consumption information. Be informed of the customer's consumption habits, consumption direction, etc., so that the shopping mall to do a better job of more reasonable commodities, shelf placement, planning marketing programs, product recommendation means, etc..

Financial industry: In the financial industry, data is life, its information system has accumulated a large number of customer transaction data. Through big data, it can analyze customers' behavior, prevent fraud, and analyze financial risks.

Medical industry: Big data can assist in analyzing epidemic information and making corresponding preventive and control measures. Trend analysis of human health in the electronic medical records, medical research and development and clinical trials, can improve diagnostic accuracy and drug effectiveness.

Manufacturing: The industry's demand for big data is mainly reflected in product development and design, supply chain management, production, and after-sales service. Through data analysis, some unnecessary steps are eliminated in the product development process, and the process of manufacturing and assembling products is improved in a timely manner.