The utility model discloses a modified bituminous mixture vacuum negative pressure test device, including water bath, one or more than one negative pressure container and temperature control device, the water bath is connected with temperature control device, negative pressure container respectively, the bottom is equipped with negative pressure container fixing device in the middle of the water bath, the negative pressure container is established on negative pressure container fixing device, the water bath is connected with vibrating device, the integration improvement has been carried out with negative pressure container and water bath, temperature regulating device to this application, makes the experimental real normal requirement to test temperature of satisfying of the biggest theoretical density, has realized the environmental simulation of freeze -thaw split test to different climatic conditions bituminous paving damage by waters evil simultaneously.