The utility model discloses a feedback safety structure of an organic light emitting diode display, comprising an organic light emitting diode panel, a driving chip and a signal transmission line group, wherein the organic light emitting diode panel comprises a signal input terminal group and a feedback signal terminal group which is connected to the ground; the driving chip comprises a power input port of an external power supply, a signal output port and a feedback port which is connected to the ground; and the signal transmission line group is electrically connected between the signal input terminal group and the signal output port. In the feedback safety structure, the instability of the data signals output by the driving chip and the damage of the driving chip can be avoided.