High oxygen saturation can lead to cellular aging, causing the patient’s body to feel dizzy, rapid heartbeat, and panic. Usually, the blood oxygen saturation of a normal person is between 98% and 100%, and if it is higher than 100%, it belongs to high blood oxygen saturation, and the symptoms of hypertension, diabetes and anemia will appear when it is increased. Therefore, it is recommended to go to the hospital for a systematic examination to clarify the cause of their disease and find the right direction for treatment in time. This is not a serious condition, patients can not be too nervous, just usually adjust the lifestyle and diet, try to achieve a healthy and regular lifestyle, the body will gradually adjust to the state. It is recommended that regular re-examinations be conducted to see if the oxygen saturation has returned to normal.