Abstract: In the present study, a weather process characterized by strong wind and heavy rain occurring from August 30 to September 5 2016 in Tongliao area of Inner Mongolia caused by the typhoon ″Shizishan″ was assessed by using the date collected in local automatic weather station and real time data in Micaps. The results showed that this weather process emerged during the formation of meridional-type high pressure barrier which was the combinative production of continuous ascending northward subtropical high and Okhotsk blocking high ridge. Affected by the typhoon ″Shizishan″ and northeast cold vortex, both southeast upper-level jet and northward low-level jet were observed in Tongliao area. The formation and maintenance of the jets not only provided abundant water vapor for precipitation area but also promoted the development of vertical ascending motion.Nevertheless, the cold and moist air transported by low-level jet went against the accumulation of atmospherical instability energy and establishment of instable stratification, and was the causative factor of strong wind in Tongliao area.