Norishes Yang to Treat kidney yin deficiency and astringe the jing (essence). Symptoms may include low libido, dizziness, ringing of the ears, night sweats, hot flashes, low back pain, seminal emission, dribbling urine, and in females irregular menstruation and dry vagina. It  is used to treat infertility for both sexes, erectile dysfunction, menopause symptoms, uterine bleeding, amenorrhea, and atrophic vaginitis.