1, the impact of big data on business models

2. Internal control risk of geological project funds under big data.

3. Under the background of big data era, the hospital statistical work mode has been improved.

4. The offline catering revolution in the era of big data.

5. Microfinance based on big data

Big data, or huge amount of data, refers to the information that involves so much data that it can't be captured, managed, processed and sorted by the current mainstream software tools to help enterprises make more active decisions within a reasonable time.

In The Age of Big Data, co-authored by Victor Meyer-Schoenberg and Kenneth Cookeye, big data means that all data are used for analysis and processing, and there is no shortcut to random analysis (sampling survey). 5V characteristics of big data (proposed by IBM): volume (mass), speed (high speed), diversity (diversity), value (low value density) and authenticity.