PROBLEM TO BE SOLVED: To provide a wearing article which does not disturb air permeability, is soft, and can detect the spread of a body fluid.SOLUTION: A wearing article 100A detects the spread of a body fluid based on an impedance change between electrodes. An electrode group ET is formed on one sheet surface among a plurality of sheets constituting the wearing article 100A. The electrode group ET comprises two electrode groups which maintain a state of being isolated from each other when the body fluid spreads, and are connected with each other through a conducting wire. The electrode group is formed on the sheet surface by applying a conductive material.
