A kind of cotton wool, upper epidermis are equipped with a fit layer, and the upper epidermis of the periphery of the fit layer and the cotton wool mutually fixation and forms the bag shaped structure of an opening. Whether the cotton wool can according to need selection increase health care chip, the effect of increasing the effect of health care chip can reach health hygienic cotton in the opening bag shaped structure of setting, can realizing common cotton wool when being open and not increasing health care chip in bag shaped structure； In addition it can reach different effects by increasing different health care chips.一種衛生棉，其上表層上設有一貼體層，該貼體層的周邊與所述的衛生棉的上表層相固定並形成一開口的袋狀結構。所述的衛生棉可以根據需要選擇增加保健晶片與否，在設置的開口袋狀結構中增加保健晶片即可達到保健衛生棉的功效，在開口袋狀結構中不增加保健晶片時就可以實現普通衛生棉的功效；另外可以通過增加不同的保健晶片從而達到不同的功效。
