According to one embodiment, a strain sensing element provided on a deformable substrate includes: a first magnetic layer； a second magnetic layer； a spacer layer； and a bias layer. Magnetization of the second magnetic layer changes according to deformation of the substrate. The spacer layer is provided between the first magnetic layer and the second magnetic layer. The second magnetic layer is provided between the spacer layer and the bias layer. The bias layer is configured to apply a bias to the second magnetic layer.根據一實施例，設置在可變形的基板上之應變感測元件包括：第一磁性層；第二磁性層；間層；以及偏壓層。第二磁性層的磁化強度根據基板的變形而改變。間層被設置在第一磁性層和第二磁性層之間。第二磁性層被設置在間層和偏壓層之間。偏壓層配置來對第二磁性層施加偏壓。
