This asphalt blending tank is temperature-controlled, operations of starting and stopping of agitator, feeding of rubber or other additives, precise weighing and batching are all automatically achieved. Operator just needs to monitor work state through operation interface. Multifunctional tank integrates producing, mixing and storing of a variety of asphalt and bitumen. Besides, it can be used as tanker trailer for asphalt transportation, and inline used with asphalt batching and mixing plant.