Since the middle of 2019,centering on US-Iran contest,new hotspot issues and crises in the Middle East have emerged one after another,further exacerbating fluctuation in the regional situation.The chaos in the Middle East this time around can be traced back to the Arab Spring broke out in 2011,being exacerbated by the readjustment of US strategy and contests between countries within the region and beyond it,featuring conflict generating,scope expanding,long-lasting and ever complexing.This essay attempts to analyze the main forms of the chaos in the Middle East this time around,explore the origin of the turbulent situation,and assess its effect and future trend.