Kidney deficiency type of hypertension is common in elderly patients. The kidney is the house of water and fire, and is where the body’s vital energy converges. With age, kidney deficiency often occurs, and can be divided into kidney-yin deficiency and kidney-yang deficiency. Patients with hypertension with kidney yin deficiency can take Liu Wei Di Huang Wan or other herbal medicines to fill kidney yin to nourish yin and tonify the kidneys; patients with hypertension with kidney yang deficiency, who are often cold, weak, or even have symptoms of yang deficiency such as pulmonary edema, can take Jin Kui Kidney Qi Wan to warm up kidney yang.