The present invention discloses an organic compound and an organic electroluminescence device using the organic compound as an emitting host material, an electron transfer material or a hole blocking material in the light emitting layer of the organic electroluminescence device. The organic compound may be for increasing a half-life or current efficiency of the organic electroluminescence device, and may be for lowering a driving voltage or power consumption of the organic electroluminescence device. The same definition as described in the present invention.