The filter element of the oxygen generator is made of imported ultra pure UPE raw materials, which is used in the humidification and filtration device of the oxygen generator, mainly used in medical treatment and home oxygen treatment and health care. It can be used as the filtration and purification of the air inlet of the oxygen generator, greatly reducing the noise of exhaust, and meeting the requirements of flow rate and flow rate under different oxygen production environment, so as to maintain the stability of oxygen concentration.