Reliable. The shape of the healthy oxygen bar room has a very good effect on human health. Negative oxygen ions can effectively activate oxygen molecules in the air, making them more active and then absorbed by the human body. It can promote human metabolism and improve immunity. The oxygen used is processed It meets national medical standards and the rooms have been professionally certified by national agencies, which is very reliable. The healthy oxygen bar uses the principle of infrared reflection to heat people to make them sweat. It is a physical therapy method that emphasizes high heat.