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. <EOS>