The invention provides a thermal contraction packaging device. The thermal contraction packaging device comprises a thermal insulation box body, a heating device, an upper mould, lower moulds, automatic film feeding devices, a conveying device and a rack; the thermal insulation box body is connected with the heating device and the rack is connected with the thermal insulation box body; the thermalinsulation box body is connected with the upper mould; two automatic film feeding devices are arranged and the automatic film feeding devices are connected at the bottom of the upper mould; the automatic film feeding devices are connected above the lower moulds and a plurality of lower moulds are connected on the conveying device; and the number of the lower moulds are two to five. The device ishigh in automation degree and high in packaging efficiency.