The present invention relates to a transportable therapy device for the therapeutic treatment of at least one person, in particular of a painful condition of at least one limb of the person, comprising a box-like housing which encloses at least one cold chamber which is only accessible from outside via at least one opening, the at least one opening being formed and arranged in the housing in such a way to introduce a limb, which is to be treated, into the cold chamber, comprising at least one cooling means which is thermally coupled in such a way to the cold chamber to cool the cold chamber and is configured in such a way to generate in the cold chamber a predetermined temperature for the therapeutic treatment of the limb which has been introduced, in particular for the therapeutic treatment of a painful condition of the limb which has been introduced.