The present application provides a hinge, a flexible display panel, and an electronic device. The electronic device includes a flexible display panel including a flexible portion and a hinge, and the hinge includes a fixing bracket, a rotating mechanism, and a first support plate. When the flexible portion is in a flat state, the first support plate supports the flexible portion to reduce creases of the flexible portion. When the flexible portion is in a bent state, the first support plate is away from the flexible portion to prevent the flexible display panel from being pressed.