The ship operation big data comes from the shipping information platform and ship operation monitoring. Through the analysis and mining of these massive data, many valuable information and regularity can be discovered, which can be used in many aspects, such as the evaluation of engine power and ship speed under various loading conditions, the improvement of ship energy efficiency design index (EEDI) full scale sea trial method, the technical support of MRV mechanism application, the study of the influence of wind and wave on ship speed, the evaluation of energy saving technology effect, the optimal ship dock cleaning timing, the refined management of ship equipment operation, and so on. So it has an important significance for promoting the technical progress in shipbuilding and shipping industry.