CHILD SAFETY SEAT

Provided is a child safety seat, comprising a seat body and a five-point safety belt disposed on the seat body, wherein the seat body comprises a housing (1), the five-point safety belt comprises a safety belt buckle (2), and the housing is internally provided with a storage slot (11) used for storing the safety belt buckle (2); the seat body further comprises a head support assembly (3) disposed on the housing (1) in a sliding up and down manner, the head support assembly having a predetermined position; when the safety belt buckle (2) is placed in the storage slot (11), the head support assembly (3) is allowed to be higher than the predetermined position; according to the child safety seat, the five-point safety belt or a car safety belt can be correspondingly selected for use based on the size of a child, and the height of a head support can be adjusted in a corresponding range.