Hyperbaric chamber oxygen therapy is favored by famous athletes all over the world, and it is also a necessary means for some sports gyms to help people recover faster from hard training. 1. Increase the partial pressure of oxygen in the body. The hyperbaric chamber can be raised to 30kpa. 2. Increase blood oxygen saturation. Oxygen intake is equivalent to more than 2 times that of normal breathing. 3. Increase the oxygen diffusion distance in the body. Use the flow of lymph to increase blood flow.