1, first of all, let's talk about financial transactions, big data in the financial industry is reflected in the main role of financial transactions. High-frequency trading is the field where big data is applied more. Where big data algorithms are applied to trading decisions. Now a lot of equity transactions are carried out using big data algorithms, which help people calculate the specific information of their business transactions. In this way many companies are able to get hold of the actual situation of their business and thus have a reference for the future.

2, and then said to collect big data to change the city, big data is also applied to improve our daily life in the city. For example, real-time traffic information in our cities, the use of social networks and weather data to optimize the latest traffic situation. But many cities are currently analyzing and piloting big data. In the near future, big data will become more and more popular in the country. So that everyone will be able to know something about big data.

3, the second is that big data is constantly changing our lives, big data is not only applied to the enterprise, also applies to everyone in our lives. Many people are now wearing smart watches or smart bracelets, which generate up-to-date data that allows us to track our calorie consumption and sleep patterns. This can make our lives better.

4. Big data can also improve healthcare and research and development. The computational power of big data analytics applications allows us to learn about a particular DNA in a matter of minutes. And it allows us to develop the latest treatment programs. It also allows for better understanding and prediction of diseases. Big data can help patients get better treatment for their conditions. Big data can also be used to monitor a baby's health by recording and analyzing its heartbeat. This ensures the health of the baby.