Thermoelectric conversion module package

A thermoelectric conversion module package is provided with a thermoelectric conversion module and a package. The thermoelectric conversion module comprises: a first and a second substrate opposed to each other; a plurality of thermoelectric elements arranged between the first and second substrates; and a first and a second lead wire which are drawn out from one of the first and second substrates. The package includes: a first metal foil covering the first substrate side of the thermoelectric conversion module; a second metal foil covering the second substrate side of the thermoelectric conversion module; a resin portion hermetically connecting the first metal foil and the second metal foil along an outer edge portion of the thermoelectric conversion module; and an insertion portion for hermetically passing the first and second lead wires through the resin portion.