The invention discloses a novel industrial robot control cabinet signal interference test system comprising a control cabinet of an industrial robot, wherein state operation indicator lamps are arranged on the surface of the control cabinet, parameter adjustment buttons are arranged below the state operation indicator lamps, a monitoring control module is arranged above the state operation indicator lamps, an anti-interference ability detector of electromagnetic waves is arranged in the control cabinet of the industrial robot, the anti-interference ability detector of electromagnetic waves comprises a light emitter, the light emitter emits light beams according to signals collected by a signal collection device, an optical fiber cable is connected between the light emitter and a tester so as to transmit the light beams to the tester, and the tester is used for restoring the received light beams into electric signals so as to judge the performance of the control cabinet under the interference of the electromagnetic waves. The novel industrial robot control cabinet signal interference test system disclosed by the invention can conveniently test the interference signals that generate interference to the work of the industrial robot, thereby facilitating the processing of the industrial robot in the production and improving the practicability, and the design is novel, so that the novel industrial robot control cabinet signal interference test system is a very good innovation scheme.