The invention discloses auxiliary-agent adding equipment for asphalt production and belongs to the technical field of auxiliary-agent adding equipment for asphalt production. The auxiliary-agent adding equipment comprises a mixing tank, wherein an outer container is arranged on the top part of the outer wall of the left side of the mixing tank; a lower supporting rod is arranged on the outer wallof the front side of the outer container; a measuring rod is arranged at the left side of the top part of the lower supporting rod; an inner container is inserted into an inner cavity of the outer container; an upper supporting rod is arranged on the outer wall of the front side of the inner container; a sleeve pipe is arranged on the right end of the upper supporting rod and is sheathed on the measuring rod; a liquid feeding port is arranged in the top part of the inner container; a port is arranged in the top part of the outer wall of the right side of the mixing tank; a baffle plate is arranged at an inner cavity of the port; a dry-material quantifying device is arranged on the outer wall of the right side of the mixing tank. The auxiliary-agent adding equipment disclosed by the invention has the beneficial effects that the structure is simple, and a liquid auxiliary agent quantifying device is arranged at the left side in the device to realize liquid quantification; a solid quantifying device is arranged at the left side of the device, so that the requirement for quantification of powdery auxiliary agent is achieved, the influence on asphalt stirring is reduced and the construction quality is improved.