PROBLEM TO BE SOLVED: To provide a hand device capable of suppressing the lag fall of a held package storing an animal feed irrespective of the size of the package.SOLUTION: A hand device 20 comprises: a holding member 22 attached to an operation part 52 of a transport device 50 for holding a package 100, in which an animal feed is stored, from both sides; and a piercing rod 30 attached to the holding part 22 in a manner to adjust the fitting position and the fitting angle, and capable of piercing the package 100 when the package 100 is held by the holding member 22.SELECTED DRAWING: Figure 1