A vehicle child safety seat comprisingy: a seat main body on which an occupant sits; a seat belt for restraining the occupant to the seat main body, the seat belt including a shoulder harness having a long belt shape and facing a shoulder of the occupant; and a shoulder pad including a hold member formed of a material having a flexibility into an elongated shape and placed between the shoulder of the occupant and the shoulder harness along a longitudinal direction of the shoulder harness, attached to the shoulder harness slidably in the longitudinal direction, and including a plurality of hard members formed of a material harder than the hold member and provided side by side at intervals therebetween in a longitudinal direction of the hold member, the plurality of hard members being attached to a shoulder-harness-side surface of the hold member, characterised in that the hold member includes a tabular portion formed in an elongated plate shape where the longitudinal direction of the shoulder harness is taken as a longer side, and a plurality of hold portions provided on a shoulder-harness-side surface of the tabular portion and placed side by side at intervals therebetween in the longitudinal direction of the tabular portion; each of the plurality of hold portions including paired projecting portions projecting from respective end portions of the tabular portion in its width direction toward the shoulder harness and opened toward an inner side of the tabular portion in the width direction; and each of the hard members is formed in an elongated shape where the width direction of the tabular portion is taken as a longer side, and is configured such that respective end portions thereof in its longitudinal direction are fitted to respective inner sides of the paired projecting portions. a seat main body on which an occupant sits; a seat belt for restraining the occupant to the seat main body, the seat belt including a shoulder harness having a long belt shape and facing a shoulder of the occupant; and a shoulder pad including a hold member formed of a material having a flexibility into an elongated shape and placed between the shoulder of the occupant and the shoulder harness along a longitudinal direction of the shoulder harness, attached to the shoulder harness slidably in the longitudinal direction, and including a plurality of hard members formed of a material harder than the hold member and provided side by side at intervals therebetween in a longitudinal direction of the hold member, the plurality of hard members being attached to a shoulder-harness-side surface of the hold member, the hold member includes a tabular portion formed in an elongated plate shape where the longitudinal direction of the shoulder harness is taken as a longer side, and a plurality of hold portions provided on a shoulder-harness-side surface of the tabular portion and placed side by side at intervals therebetween in the longitudinal direction of the tabular portion; each of the plurality of hold portions including paired projecting portions projecting from respective end portions of the tabular portion in its width direction toward the shoulder harness and opened toward an inner side of the tabular portion in the width direction; and each of the hard members is formed in an elongated shape where the width direction of the tabular portion is taken as a longer side, and is configured such that respective end portions thereof in its longitudinal direction are fitted to respective inner sides of the paired projecting portions.