Sweet, salty and slightly cold, it belongs to liver, kidney and heart, and has the effects of nourishing yin and suppressing yang, nourishing heart and strengthening liver and kidney. It is often used to treat hectic fever due to yin deficiency, asthenia due to qi deficiency, dull complexion, premature whitening, dizziness, asthenia due to bone steaming, night sweats, soreness of waist and knees, forgetfulness due to guilty conscience, hypertension, and apoplexy. At the same time, it can improve immunity, strengthen physique, resist fatigue, and has the effect of beauty beauty.