The invention relates to an aluminum alloy sectional material heat insulation synthesizer which comprises a main machine frame and a working table arranged at the top of the main machine frame. A to-be-processed sectional material is placed on the working table. A traction device is arranged at one end of the main machine frame, and a drawing die device is arranged at the other end of the main machine frame. The traction device comprises a glass fiber pulling rope, a supporting frame for supporting the glass fiber pulling rope and a first motor for supplying power to the glass fiber pulling rope. The drawing die device comprises a steel wire rope and a second motor for supplying power to the steel wire rope. The first motor drives the glass fiber pulling rope to penetrate the to-be-processed sectional material to the end of the drawing die device, and a hook at the end of the glass fiber pulling rope hooks a pull buckle at the end of the steel wire rope and pulls the steel wire rope to penetrate the to-be-processed sectional material to the end of the traction device. A lining die and the pull buckle of the steel wire rope are hung together, and the second motor supplies power to pull the lining die to penetrate the to-be-processed sectional material. The aluminum alloy sectional material heat insulation synthesizer is suitable for internal pull synthesis processing of a U-shaped aluminum alloy sectional material and is rational in design, stable in performance and high in processing efficiency.