Before repairing, it is recommended to see when the machine was bought and whether there is a need for repair. In Guangzhou, you can go to the Philips experience store diagonally across Dade Road to consult. If there is no need, there are many brands of oxygen machines, such as Philips Weikeng, Meijo, Oxygen Box, Kaiya and other brands, and later maintenance, big brands are generally relatively stable after-sales and quality, you can consider buying a new machine.