To provide a position information guiding system, a position delivery terminal, a personal digital assistance, and a computer software capable of providing a user with a route to a destination.

The position information guiding system comprises a plurality of the position delivery terminals 2 provided with a radio communication means 14 and recorded with the position information of own terminal; and the personal digital assistance 1 comprising a radio communication means 11 and a display means 13 so as to display a guiding information to the destination on the personal digital assistance. Wherein each position delivery terminal 2 among the plurality of the same is provided with a function 20 creating an optimum route and directional information based on the destination information 9 received from the radio connected personal digital assistance 1; and the personal digital assistance 1 is provided with a function capable of simultaneously displaying a map information 16 obtained from the radio connected position delivery terminal 2, a local delivery information 17 of the local delivery terminal 2 and an optimum rout information.