After entering the plateau, people will have plateau reaction due to lack of oxygen, mainly manifesting as headache, dizziness, weakness, poor nano, insomnia and other symptoms. Once this happens, the patient’s life will be endangered. Therefore, the following methods should be taken quickly to relieve the plateau reaction: 1. It can be done through low flow continuous oxygen inhalation to relieve plateau reaction. 2, can be done by resting in place, relaxation, elongated breathing and other methods to effectively relieve plateau reaction, because in the plateau area oxygen itself is thin, if breathing too fast, too shallow can not get a good supply of oxygen, elongated breathing after quiet can reduce the consumption of oxygen, can relieve plateau reaction.