The present disclosure relates to a display device and a sensing method, and more specifically, to a complex sensing device, a display device and a sensing method comprising: a touch panel on which a plurality of touch electrodes is disposed, a fingerprint panel on which a plurality of pixels is disposed, a touch circuit sensing the touch panel and outputting first sensing data, a fingerprint circuit sensing a fingerprint sensing area of the fingerprint panel and outputting second sensing data, and a sensing controller setting the fingerprint sensing area for enabling the fingerprint circuit to sense the fingerprint panel based on the first sensing data of the touch circuit.