Dizziness, nausea and chills can be caused by the following: 1. Hypoglycemia, diagnosed by taking blood from the fingertips to measure blood sugar, if the blood sugar value is low, the diagnosis can be confirmed. 2. Cerebrovascular disease, such as cerebral hemorrhage, cerebral infarction, which may be accompanied by other symptoms, such as numbness and weakness of the limbs, blurred vision, headache, the diagnosis requires cranial CT and nuclear magnetic examination. 3. 3, intracranial infection, will be accompanied by vomiting, diagnosis requires lumbar puncture to take cerebrospinal fluid for laboratory tests, treatment can be anti-infection. 4, cervical spondylosis, will be accompanied by other symptoms such as upper limb numbness, diagnosis requires cervical spine nuclear magnetic, to determine which type of cervical spondylosis, and then for the specific type of corresponding treatment. 5, anemia, blood tests can be diagnosed.