Primary hypertension accounts for about 90 to 95 percent of all hypertension, while secondary hypertension accounts for about 5 to 10 percent of all hypertension. Primary hypertension is one of the most common cardiovascular diseases, also known as hypertension, and is associated with genetic, environmental, and psychiatric factors. High-sodium and low-potassium diets, smoking and drinking habits, and obesity can all lead to hypertension. Clinically, this kind of high blood pressure is called primary hypertension, accounting for about 90 to 95 percent of all high blood pressure. Secondary hypertension is high blood pressure caused by a few diseases and causes. For example, endocrine disease, vascular disease, kidney disease, and long-term use of hormone drugs may induce secondary hypertension. Secondary hypertension is uncommon and accounts for about 5 to 10 percent of all hypertension. When high blood pressure occurs, you can go to the hospital to check the cause of the disease and take medication under the guidance of your doctor.