Oxygen inhalation can treat hypoxia, improve the body’s resistance and promote the metabolism of the organism, and is also one of the important methods to assist in the treatment of many diseases. The process of oxygen inhalation can improve the partial pressure and saturation of human arterial blood oxygen, enhance the cellular activity of human organs and tissues, which has certain preventive and curative effects on respiratory failure, asthma, neurasthenia, atherosclerosis and other diseases, and oxygen inhalation has certain alleviating and improving effects on symptoms such as emotional irritability and excessive fatigue. Oxygen intake can promote the secretion of adrenaline, dopamine and other hormones in the body, which can eliminate fatigue and enhance the body’s excitement, and it also has a positive effect on improving skin texture and slowing down skin aging. Oxygen can enhance the aerobic metabolism of human skin cells, which can reduce the pigmentation of the skin, thus beautifying the skin and improving the effect of skin laxity. The time of oxygen intake should be strictly controlled, and it is appropriate to keep it for 1-2 hours each time to avoid the adverse symptoms of oxygen toxicity.