The utility model discloses an electromagnetic type automatic heating insole which comprises an insole body, wherein a casing, an electric heating coil, a capacitor, an iron sheet, electromagnets with different polarities and an elastic hinge support are arranged on the insole body; a first soft iron rod and a second soft iron rod which are connected in series and can vertically move are arranged on the casing in parallel, one end of the second soft iron rod is connected with the electric heating coil and the capacitor, and the capacitor is connected with the electric heating coil in parallel; one end of the first soft iron rod is connected with the iron sheet, the electromagnets with different polarities are arranged on two sides of each of the first soft iron rod and the second soft iron rod; and one end of the hinge support is connected with the electric heating coil and the capacitor, and the other end can be connected or disconnected with the iron sheet. According to the electromagnetic type automatic heating insole, the principle that a conductor is driven to cut magnetic induction lines to produce electric energy when people walk is utilized, so that resources and costs are saved, and the energy is larger; and with the adoption of electricity storage and discharge functions of the capacitor, the electric energy is long-lasting.