this herb is used for patterns with

blood deficiency, kidney and liver yin deficiency, wasting and thirsting disorder, jing and blood deficiency/exhaustion, marrow deficiency, kidneys failing to grasp the lung qi.

 symptoms indicating the use of shu di huang

paleness, dizziness, palpitation, insomnia, irregular menstruation, uterine bleeding, postpartum bleeding, weak lower back and limbs, tinnitus, evening fever, night sweating, nocturnal emissions, slow development in children, premature aging, diminished mental acuity, graying hair, hairloss, impotence, memory loss.