A pixel circuit, a display panel and a driving method thereof are disclosed. The pixel circuit includes a light-emitting element, a light-emitting control circuit, a touch detection circuit and a signal line. The light-emitting control circuit is electrically connected to the light-emitting element, and is configured to drive the light-emitting element to emit light; the touch detection circuit is configured to determine whether or not a touch action occurs based on intensity of light incident onto the touch detection circuit; and the signal line is configured to be electrically connected to an input terminal of the light-emitting control circuit and an output terminal of the touch detection circuit.