▎ 摘　　要

NOVELTY - The method involves providing a working electrode (2) made of carbon-based graphene coating, reference electrode (3) made of carbon, and other electrode (4) made of silver. The respective electrode is located on a surface printed strip (1). USE - Signal generating method for diagnosing disease of patient. ADVANTAGE - The disease of patient is diagnosed effectively. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view illustrating the signal generating process. Surface printed strip (1) Working electrode (2) Reference electrode (3) Silver made electrode (4)