Hidden electronic tag

The utility model relates to a hidden electronic tag. The printing film sequentially comprises a first printing film layer from top to bottom, first spacer adhesive layer, electronic tag layer, secondspacer adhesive layer, second printed film layer, third spacer adhesive layer, the electronic label layer is arranged between the first printing film layer and the second printing film layer. The surfaces, facing the electronic tag layer, of the first printing film layer and the second printing film layer are respectively covered with the first spacing adhesive layer and the second spacing adhesive layer; wherein the first printing film layer and the second printing film layer are glued together, the third interval glue layer is coated at one end of the back surface of the second printing film layer, and the area of the third interval glue layer is equal to or smaller than one half of the area of the second printing film layer. The hidden electronic tag can be used for coexistence of various special environments,