To provide a pocket small article case for a child seat improving storage organizing performance of small articles for infants in a vehicle, and enabling the infants to pick up and put away a thing desired by themselves.

Pocket-shaped small article cases 2a, 2b are provided on both ends of a sheet-shaped main body united by a long cloth and the like. The pocket-shaped small article cases 2a, 2b are hung down outside of both arms of a car seat, which facilitates putting in/out small articles by infants while storing a considerable amount of the small articles therein.