A junk catching device (1) for catching junk traveling into a well. The device comprises an outer housing (10) comprising an upper end (10a) and a lower end (10b), a bore (11) provided inside the housing (10), a receiving device (20) provided in the upper end (10a) of the housing (10). The receiving device (20) comprises a receiving opening (21) providing an opening into the bore (11) and a junk guiding device (22) for guiding junk into the bore (11) via the receiving opening (21). The junk guiding device (22) is configured to be provided in a run state, in which the outer diameter of a guiding section (22A) of the junk guiding device (22) is less than or equal to the outer diameter of the housing (10), and in a set state, in which the outer diameter of the guiding section (22A) of the junk guiding device (22) is larger than the outer diameter of the housing (10).