1. tonifying the kidney and strengthening the yang: Duzhong tea can stimulate the secretion of adrenaline, enhance the body's vitality and endurance, and has a certain therapeutic effect on impotence and premature ejaculation caused by kidney deficiency.

2. Replenish blood and benefit qi: Eucommia tea is rich in many kinds of amino acids, proteins and a variety of trace elements, which can promote the metabolism in the body and improve the whole body with insufficient qi and blood.

3. Reduce blood pressure: The substances contained in eucommia tea can dilate blood vessels, increase blood supply to the heart and reduce blood pressure. It has a certain relief effect on patients with mild hypertension, heart disease and other diseases.

4. Relieve menstrual cramps: The active ingredients in Dulcimer tea can relieve menstrual cramps and regulate women's menstrual cycle, which has a certain health effect on women with menstrual disorders and menstrual cramps.

However, there are some contraindications and dosages that need to be noted:

1. Pregnant women and lactating women should not drink.

2. Long-term use may have adverse effects on the heart, liver, kidneys and other organs, so the amount consumed should be controlled.

3. It should not be consumed by people with symptoms such as high deficiency fire, thirst and body heat, so as not to aggravate the symptoms.

4. It is recommended that the daily consumption should not exceed 400 milliliters.

Lastly, it should be noted that although Dulcimer Tea has a variety of efficacy and health effects, it is not a substitute for doctor's diagnosis and treatment. It should be consumed cautiously according to one's own situation.