There are many reasons for dizziness and nausea after getting up. If it is caused by lack of oxygen, it can be relieved by oxygen inhalation; if it is caused by cervical spondylosis, it can be relieved by professional massage and physiotherapy; and if it is caused by otolithiasis, it can be relieved by professional reset treatment. 1. Lack of oxygen: Lack of oxygen in the brain will directly cause dizziness and nausea, which need to be relieved by oxygen inhalation and other methods. 2. Cervical spondylosis: Problems in the cervical spine may cause dizziness and nausea due to compression of the nerves, requiring professional massage or physiotherapy to relieve the symptoms. 3. Otolithiasis: when otoliths are dislodged into the lymphatic fluid of the semicircular canals, the judgment of the balance nerve will be affected, resulting in vertigo or dizziness, which can be cured after resting, but professional restoration treatment is needed to relieve the symptoms. Generally at the same time, dizziness, nausea, panic and other parts of the discomfort, be vigilant. Timely medical attention is required, and standardized treatment under the guidance of a doctor.