Rubber composition containing modified rubber

The invention relates to the technical field of rubber and particularly relates to a rubber composition containing modified rubber. The composition is characterized by also including, on the basis of 100 parts by weight of the rubber composition, 50-80 parts of a mixture composed of carbon black and white carbon black at any proportion, 1-10 parts of an amino silane coupling agent, 1-10 parts of a silane coupling agent, 2.0-5.0 parts of zinc oxide, 1.0-3.0 parts of stearic acid, 1.0-4.0 parts of anti-aging agent, 1.0-2.0 parts of protective wax, 1.0-4.0 parts of sulphur and 1.0-4.0 parts of an accelerator, wherein the rubber composition comprises 0-95 parts of a mixture composed of natural rubber, butadiene rubber, and butadiene styrene rubber at any proportion and 5-100 parts of a mixture composed of modified natural rubber, modified butadiene rubber, and modified butadiene styrene at any proportion. By means of the modified rubber and the amino silane coupling agent, performances of the rubber are enhanced and compatibility of the rubber with white carbon black is improved. A rubber material is improved in processability and hysteresis loss.