A thermal signal transmission patch, the thermal signal transmission patch being electrically connectable to an external controller, an external electronic component or an external signal source, the thermal signal transmission patch comprising: a substrate being a sheet-shaped body; and a loop layer arranged on one side of the substrate and at least comprising a first loop layer and a second loop layer, wherein the first loop layer comprises a first contact, a second contact, a third contact, a first outer line segment and a first inner line segment electrically connected to the first outer line segment; wherein the second loop layer comprises a fourth contact, a fifth contact, a sixth contact, a second outer line segment and a second inner line segment electrically connected to the second outer line segment, wherein the first outer line segment and the second outer line segment form an outer loop-circuit and the first inner line segment and the second inner line segment form an inner loop-circuit, wherein a resistance of the outer loop-circuit is larger than a resistance of the inner loop-circuit; wherein, when the third contact and the sixth contact are electrically connected to the external signal source, an electrical connection mode of the first contact, the second contact, the fourth contact and the fifth contact of the loop layer being electrically connected to the external controller or the external electronic component can be changed,, so as to achieve a fast switching between an electrotherapy and a thermotherapy; wherein the first contact is connectable to the second contact and the fourth contact is connectable to the fifth contact, so that a first loop-circuit of the first contact and the second contact is a first pole, and a second loop-circuit of the fourth contact and the fifth contact is a second pole, so as to perform the electrotherapy; wherein the first contact is connectable to the fourth contact and the second contact is connectable to the fifth contact, to form two loop-circuits in parallel for performing the thermotherapy. a substrate being a sheet-shaped body; and a loop layer arranged on one side of the substrate and at least comprising a first loop layer and a second loop layer, wherein the first loop layer comprises a first contact, a second contact, a third contact, a first outer line segment and a first inner line segment electrically connected to the first outer line segment; wherein the second loop layer comprises a fourth contact, a fifth contact, a sixth contact, a second outer line segment and a second inner line segment electrically connected to the second outer line segment, wherein the first outer line segment and the second outer line segment form an outer loop-circuit and the first inner line segment and the second inner line segment form an inner loop-circuit, wherein a resistance of the outer loop-circuit is larger than a resistance of the inner loop-circuit; wherein, when the third contact and the sixth contact are electrically connected to the external signal source, an electrical connection mode of the first contact, the second contact, the fourth contact and the fifth contact of the loop layer being electrically connected to the external controller or the external electronic component can be changed,, so as to achieve a fast switching between an electrotherapy and a thermotherapy; wherein the first contact is connectable to the second contact and the fourth contact is connectable to the fifth contact, so that a first loop-circuit of the first contact and the second contact is a first pole, and a second loop-circuit of the fourth contact and the fifth contact is a second pole, so as to perform the electrotherapy; wherein the first contact is connectable to the fourth contact and the second contact is connectable to the fifth contact, to form two loop-circuits in parallel for performing the thermotherapy.