Herbs that can be used to lower hypertension include chrysanthemum, mulberry leaf, wolfberry and acacia flower. The effect of chrysanthemum is to dispel wind, clear the liver and eyes, clear heat and detoxify the body, which is suitable for patients with hypertension who have hyperactive liver yang and exuberant liver fire. The main effects of mulberry leaf are to evacuate wind-heat, clear the lung and moisten dryness, and clear the liver and brighten the eyes, also suitable for patients with exuberant liver fire and heat in the liver and lung. Chinese wolfberry has the effect of nourishing the liver, nourishing the kidneys and moistening the lungs, and is suitable for patients with hypertension who have liver and kidney yin deficiency. Sophora flavescens has the effects of cooling the blood, stopping bleeding, and clearing the liver and fire, and is suitable for patients with hypertension who have excessive liver fire and blood heat. The four herbs together can be consumed as tea, once in the morning and once in the evening, as an adjunct to the treatment of hypertension.