The invention discloses a supercapacitor module and a method for manufacturing the supercapacitor module. The supercapacitor module comprises a second shell, a second upper cover, a second lower cover, second wiring terminals, a plastic supporting piece, connecting pieces, circuit boards, cooling fins and supercapacitor bodies, wherein the second upper cover and the second lower cover are located on the upper side and the lower side of the second shell respectively, the cooling fins on the second upper cover are integrated with the second upper cover, the cooling fins on the second lower cover are integrated with the second lower cover, the second wiring terminals are located on the second upper cover, each side edge of the second shell is provided with a side groove, the circuit boards are inserted in the side grooves, one end of the plastic supporting piece is attached to the second shell, a one-millimeter gap exists between the other end of the plastic supporting piece and each supercapacitor body, every two adjacent supercapacitor bodies are connected through the corresponding connecting piece, and the supercapacitor bodies are located in the second shell. The supercapacitor module has the advantages that the heat dissipation performance is high, the sealing performance is high, the supercapacitor bodies in the supercapacitor module are high in vibration resistance, and machining is easy.