In 2017 the increase rate of FDI inflow scale of West Asia was higher than that of the global one，therefore the ratio of West Asia in World FDI inflow rises from last year’s 2.6% to 3.9%，the increase rate，the projects statuses and the policy dynamics of FDI inflow of all West Asian Nations（WANs）are rather diversified，continuous minus flow were seen in those nations with turbulent security situation. The ratio of China as investor in the West Asia FDI-in stock was still rising though the inflow scale from china was decreasing from 2015. From 2016 to 2017，the inflow scale of direct investment from China was rather oscillatory in most WANs. Continuous progression achieved by China enterprises in major WANs at media or long term oberservation. It is suggested China governments and enterprises，should explore new investment scale growth points，by focusing on Engineering Relating Investment，New Types of Energy Resources，Economic and Trade Cooperation Parks.