To provide a shoe insole for a running shoe capable of fitting every person's foot, which makes it possible to prevent dropping-in of a length wise arch and a widthwise arch of the foot for preventing hallux valgus or preventing it from worsening.

This shoe insole is provided with a bulge 2 on an insole body 1. The bulge 2 is provided on a back face of the insole body 1 so that the bulge 2 is continued in a region including a position 3 of a calcaneal sustentaculum, a position 4 of an inner non-treading part, and a middle part 5 between a thenar and a small toe ball when a foot is placed.