To provide a personnel assignment plan creation method and a personnel assignment planning device that enable labor-saving and quick creation of a personnel assignment plan to appropriately assign workers engaged in a specialty occupation, such as nurses, to each section.

The personnel assignment planning device K uses an electronic computer comprising an input part 2, a processing part 1, an output part 3 and a database 4 for specialty workers. Persons to be assigned are extracted from all workers according to given standards. Average years of experience Avt of all workers and average years of experience Avp of workers in each section are calculated. The extracted persons to be assigned are assigned to sections p in consideration of conditions of the persons to be assigned. Still unassigned persons to be assigned are next assigned to sections p as specific conditions are removed.