[Nature and flavor]  Bitter, pungent, warm; enters the heart, kidney, and lung meridians.

[Effects]  Connects the heart and kidney, calms the mind and improves intelligence, removes phlegm and opens the orifices, reduces swelling, and relieves depression.

[Indications]  Insomnia, dreaminess, forgetfulness, palpitations, confusion, coughing and sputum, sores, swelling and pain in the breasts caused by disharmony between the heart and kidney.

[Regular dosage]  For internal use: decoction, 3-10g; for external use: appropriate amount, grind into powder and apply with wine.

[Precautions]  Be cautious when taking this medicine for people with yin deficiency, fire, stomach pain, pregnant women, and women during menstruation.