What are the effects and effects of raw rehmannia?

Clearing heat and cooling blood, nourishing yin and producing essence. Radix Rehmanniae is actually rehmannia, rehmannia is divided into raw and cooked, raw rehmannia is a medicine for clearing heat and cooling blood, nourishing yin and producing essence, the main ingredient of Liuwei Dihuang Pill is Liuwei Medicine, among which the content is more rehmannia, taking medicine is Liuwei Dihuang Pill and doctors prescribe Liuwei Dihuang Decoction, this medicine we sometimes use raw, sometimes use cooked. The blockage of dampness and evil is identified through tongue signs, pulse conditions, and symptoms such as inspection, smelling, asking, and feeling. In the case of kidney yin deficiency, rehmannia root is used when using Liuwei Dihuang Decoction, because rehmannia root can nourish yin, produce essence, and cool blood.