Lotus heart tea, 2 grams of lotus seed heart, and three grams of uncooked licorice, brewed in boiling water, 2 to a few cups a day. Lotus seeds are bitter and cold in nature, that can clean away the coronary heart and calm the nerves, and lower blood pressure; licorice has candy and flat residences, can clear away warmth and detoxify, and also can be used as a flavor correction, which has the effects of clearing the mind, calming the thoughts, and lowering blood stress. This tea is very powerful for patients with high blood pressure and insomnia.