PROBLEM TO BE SOLVED: To provide a technology that can readily and reliably set a work mode for an agricultural work machine so as to meet agricultural work specification requested for each agricultural work compartment.SOLUTION: The agricultural work machine 1 capable of working in various work modes includes a work mode setting part 46 for setting a work mode. There is also provided an agricultural work program mounted to a portable terminal capable of data communication.SELECTED DRAWING: Figure 1