<p>An interface for a transdermal medicine applicator capable of approximately uniformly and satisfactorily supplying a medicine from a plurality of projected parts through a skin. The interface comprises a flat plate (8) having a plurality of two-dimensionally disposed conical or truncated projected parts (6) capable of puncturing the skin and a plurality of opening parts (7) disposed according to the projected parts and capable of transferring the medicine. The opening parts (7) are disposed in proximity to the projected parts (6) corresponding to the opening parts. The flat plate (8) may be of a metallic or ceramic type. The ratio of the quantity of the projected parts to the quantity of the opening parts may be 1:1 to 1:2.</p>
