A vehicle child safety seat includes: 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.