The BP world energy statistics yearbook 2018 which was released in Chinese. In 2017, the world's total energy, oil and natural gas consumption achieved the fastest growth in 5 years, and the pressure of emission reduction correspondingly increased. The uncertainty of oil market supply will affect the trend of oil price in the medium term market. China's energy consumption has increased significantly compared with the previous two years, contributing 1/3 of the world's energy consumption growth, and has become a key force in the global energy low-carbon transformation.