Just dizziness: First, caused by hypotension, especially in summer when blood vessels are dilated and sweating is relatively high resulting in insufficient blood volume, the patient appears dizzy. Second, seen in cervical spondylosis, the patient works long hours leading to cervical disc protrusion, will appear dizzy, in serious cases there will be numbness and numbness in the back of the neck, if necessary, you can check the cervical spine CT or nuclear magnetic. Third, see in anemia, if the hemoglobin content is reduced, the patient will feel dizzy, and in serious cases will feel weakness of the limbs, you can check the blood analysis to check the hemoglobin content to confirm the diagnosis, usually it is recommended to eat more dates, folic acid, vitamin B, etc. Fourth, it is considered that poor sleep leads to plant nerve dysfunction, and the patient may also experience dizziness accompanied by headache.