Nowadays, the oxygen generator is a very common and simple thing, it solves many people's problems. With the development of science and technology, oxygen absorption becomes simple and convenient. For a long time, there are more and more harmful substances in the air, such as visible and invisible dust, audible and inaudible harmful gases, long-term automobile exhaust emissions, industrial air pollution, etc., and there are more and more harmful substances in the air. Therefore, long-term home life, long-term office environment, leisure environment, all need a device that can solve indoor air pollution and hypoxia.