a portable accessory box is disclosed . the portable accessory box comprises : a bottom plate ; two side rectangular bodies fixedly connected to two sides of the bottom plate ; and a lower side plate fixedly connected to the lower side of the bottom plate . the portable accessory box can further comprise an upper side plate fixedly connected to the upper side of the bottom plate . the bottom plate includes a hand - held hole for carrying and two fixed pieces used to fix the side rectangular bodies . in addition , each of the side rectangular bodies comprises an embedded slot , and the lower side plate and the upper side plate both include an inner side piece . when the lower side plate and the upper side plate are folded inwardly , the inner side pieces can be embedded into the embedded slots of the side rectangular bodies to divide each of the side rectangular bodies into two rectangular sub - bodies and form a lower rectangular body and an upper rectangular body between the side rectangular bodies .