The present disclosure relates to a display panel, a control method thereof, and a display device. The display panel includes a substrate and a plurality of pixel units. A plurality of pixel units is on the substrate; each pixel unit includes a sub-pixel unit, a control unit, and a protection unit. The control unit is electrically connected to the sub-pixel unit. After the sub-pixel unit is in the display state, the protection unit is configured to prevent the control unit from receiving an interference signal.