Elevated blood pressure should be seen in cardiology, where hypertension belongs to the heart and blood vessel group of diseases. When elevated blood pressure is detected, the following issues should be clarified. First, the diagnosis of hypertension. Hypertension can be diagnosed when blood pressure is measured on non-same day and exceeds 140/90 mmHg more than three times. Second, find the cause of hypertension. Most people are primary, the result of a combination of genetic factors and the environment. In a few people, it is caused by other diseases, and the elevated blood pressure is only a manifestation, which is secondary. Therefore, relevant tests need to be performed to clarify the cause. Third, it is necessary to assess whether damage to the body has occurred as a result of hypertension. Early hypertension usually does not cause obvious uncomfortable symptoms, but it can cause slow, lasting damage to the body. For example, heart thickening, enlargement and vascular sclerosis, kidney damage, proteinuria, and sclerotic exudative changes in the fundus. Finally, after a comprehensive evaluation, the cardiologist formulates an appropriate medication regimen for people with hypertension.