NOVELTY - A minimum fuel battery packaging method based on normal temperature bonding technology, comprises using the activation capacity of the oxygen ions to the silicon-containing organic substance surface, impacting the silicon battery polar plate by oxygen ions and flow field sealing washer surface manufactured by the polydimethyl siloxane (PDMS), assembling the flow field guide tube and current collecting layer; depositing a layer of high polymer on the assembled battery body by gas phase, using the high polymer to fill the gap, and achieving the complete sealing by the flow field.    USE - The method is useful for minimum fuel battery packaging based on normal temperature bonding technology (claimed).    ADVANTAGE - The method can reduce the number of active assemblies in the battery body, reduce the difficulty of packaging, avoid the damage caused by high temperature dehydration of exchanging film and descending performance, avoid the pollution to the MEA and other battery assemblies, and ensure the reliability of the battery without increasing the volume of the battery device.    DETAILED DESCRIPTION - A minimum fuel battery packaging method based on normal temperature bonding technology, comprises using the activation capacity of the oxygen ions to the silicon-containing organic substance surface, impacting the silicon battery polar plate by oxygen ions and flow field sealing washer surface manufactured by the polydimethyl siloxane (PDMS), improving the surface energy, increasing the hydrophilicity, achieving the bonding at the normal temperature; by the bonding function and common function of the adhesive of exchanging film base material, assembling the anode plate of the flow field sealing washer manufactured by the PDMS, membrane electrode assembly (MEA), and cathode plate of flow field sealing washer manufactured by the PDMS, assembling the flow field guide tube and current collecting layer, achieving the order assembling of battery assembly; where the adhesive of the dedicated bonding exchanging film base material is a double-face adhesive tape, having better adhering effect to the fluorine-containing material, for adhering fluorine-containing material, and having better adhering effect of the other side to the silicon-containing material, for adhering silicon-containing material; depositing a layer of high polymer on the assembled battery body by gas phase at normal temperature, using the high polymer to fill the gap, and achieving the complete sealing by the flow field.