The invention discloses a touch method, a touch panel and a touch device, and belongs to the technical field of fingerprint identification. The touch panel comprises an underlying substrate. Photosensitive devices and multiple transversely arranged touch driving lines Tx and multiple longitudinally arranged touch induction lines Rx are formed on the underlying substrate. The photosensitive devices are used for living body detection. The reliability of the touch panel can be effectively enhanced. The touch panel is used for fingerprint image acquisition.