In 2017，the world economic growth has picked up with most countries showing a booming recovery. The International trade activities are frequent，Commodity demands get warm again after a cold spell，and commodity prices are generally relatively stable. Besides，the confidence on International financial market has been increased，the global stock market as a whole has risen sharply，the federal reserve，Canada has raised interest rates several times，Japan and Europe still keep interest rates low or even negative. China's economy performed steadily with the GDP reaching 82712.2 billion yuan，up 6.9 percent year-on-year，and the growth rate has picked up steadily. The fiscal situation was also better than expected，reversing the slowing growth of general public budget revenue and tax revenue in recent years. The industrial structure has been constantly optimized，the service industry has achieved steady and rapid growth，and the quality and efficiency have been improved.