A defogging structure of a windowpane of a movable body in which an information acquisition device configured to acquire information from an exterior of the movable body by at least one of emitting light or receiving light can be arranged in an interior of the movable body, the defogging structure including: a windowpane having an information acquisition area through which at least one of light emitted by the information acquisition device or light to be received by the information acquisition device passes; a defogging sheet including a resin film and a defogger, the defogging sheet being adhered to the information acquisition area of the windowpane; and a transparent resin adhesive layer that allows the resin film of the defogging sheet to be adhered to the windowpane, wherein a resin constituting the transparent resin adhesive layer has a Tg of −20° C. to −50° C., and a shear storage modulus of 0.5×105 Pa to 2.0×105 Pa.