Abstract: Based on the non-hydrostatic equilibrium compressible ARPS model, the supercell storms of different humidity profiles are stimulated, and the relationships among humidity profile, supercell storm and vertical spiral ascending motion at multiple given heights and multiple adjustment ranges are discussed. The results show that: The higher the water vapor content, the larger the CAPE value and vertical helicity, and the smaller the LCL and LFC. The stronger the dry-wet contrast between the lower and middle layers, the greater the thickness of the wet layer, the larger the horizontal scale of the storm, and the stronger the rear spiral ascending motion. The higher the water vapor content, the shorter the time of vertical helicity from peak to valley, which may be related to the strong surface cold pool cut off the inflow and the mid-level vertical airflow caused by excessive convection. 1000 m ~ 2000 m is a reasonable disturbance area.