With the arrival of the information explosion era and cloud era, big data deeply affects the operation and business model of enterprises. Now for enterprises, data has been transformed from cost into a kind of commercial capital, an important economic input, which can create new economic benefits. At the same time, enterprise management and human resource management in the era of big data are also experiencing unprecedented changes and innovations. To ride this wave, business managers need to have a deep understanding of big data and realize the new cognition and value it brings.