A skin button used for wound healing is provided, which includes a one-piece formed structure with upper layer and lower layer consisting of a 1st skin button and a 2nd skin button. A through hole is provided in a junction of the 1st skin button and the 2nd skin button, which runs through the 1st skin button and the 2nd skin button, so as to form a duct connected the 1st skin button and the 2nd skin button to an outside. The 2nd skin button enters into dermis via a wound, and adheres to a medial wall of dermis at the wound. The 1st skin button is fixed out of epidermis at the wound, and a position of through hole on the 1st skin button is sealed and isolated from the outside. This invention is capable of effectively solving various problems in the existing technologies, with simple structure and easy operation.
