The invention discloses a GIS equipment defect simulation analysis device. The GIS equipment defect simulation analysis device comprises a GIS equipment simulation device, a vibration sensor, a partial discharge sensor, an air exhaust and inflation device, a voltage source and a data acquisition processor, wherein the vibration sensor and the partial discharge sensor are arranged on the GIS equipment simulation device; the air exhaust and inflation device is connected with a bus air chamber of the GIS equipment simulation device and used for vacuumizing a cavity of the GIS equipment simulationdevice and inflating SF6 gas; the voltage source is electrically connected with a metal housing of the GIS equipment simulation device; the data acquisition processor is connected with the vibrationsensor and the partial discharge sensor. The vibration sensor used for detecting mechanical defects of the GIS equipment simulation device is additionally arranged, so that data obtained when the GISequipment simulation device breaks down through detection is more accurate and reliable, and the accuracy of fault judgment and analysis of GIS equipment in the using process is improved. The invention further discloses a GIS equipment defect simulation analysis method which has the advantages.