This invention relates to the gain improvement of a sole pressure detection structure, in which a thin film, a porous plate and a color pad are stacked one on another, allowing a user to stand thereon (standing motionlessly for several seconds, then leaving immediately) by soles for detection and display the force on the soles. The color will be developed by the adhesion of the thin film and the color pad, showing different adhesion areas under different forces, positions, and color brightness, such that the user may inspect the force-applying points on the soles. The porous plate can be disposed between the thin film and the color pad or at the topmost or bottommost layer.本發明為一種足底壓力檢測結構增益改良,主要係以一薄膜、一多孔板及一有色墊相互疊置,供受測者之足底靜止站立其上方(靜止站立數秒即離開)檢測以顯示足底之受力,經薄膜與有色墊接觸沾粘而顯色,其顯現出不同之受力沾粘面積、位置及透映出色彩之深淺,可供以檢視判斷足底之受力點者;其中,多孔板係可置於薄膜與有色墊之間或是置於最底層或者是最上層者。