Clinical diabetic patients with hypoglycemia, nausea, dizziness, vomiting and other symptoms, the common reason is that the patient has high blood pressure, coronary heart disease, as follows: 1, hypertension: diabetic patients with hypoglycemia, can make the sympathetic nerve excitation, some patients can appear high blood pressure, severe high blood pressure can be headache, dizziness, nausea, vomiting and other symptoms, we must actively correct the hypoglycemia, and to properly control blood pressure, can make the patient’s symptoms reduced. Appropriate control of blood pressure can make the patient’s symptoms reduced. 2, coronary heart disease: diabetic patients in the process of hypoglycemic treatment of hypoglycemia, sympathetic nerve excitation when the heart rate accelerated. If the patient has coronary heart disease in the past, it can induce the occurrence of infarction, etc. The patient can have gastrointestinal symptoms, which are manifested as nausea, vomiting, and even dizziness and other symptoms.