In recent years,with the development of economy and the reason of military,more and more people will come to west plateau in our homeland. Hypoxia is a state of oxygen deficiency in the body which is sufficient to cause an impairment of function. Hypoxia may be caused by a high altitude exposure, it may cause a variety of psychological and neurological abnormalities. So many years we look for anti-hypoxia medicine. Many researchs indicate that many daugs, such as acetazolamide, dexamethasone, nimodi...