Japanese Pagodatree Flower Bud Classic Formulas

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Cools the blood and stops bleeding - Huai Hua is a classic herb for bleeding from heat, especially hemorrhoidal bleeding, intestinal bleeding, and other lower-tract blood loss.
Clears Liver fire - it is also used for headache, red eyes, and upward-rising heat signs when the Liver channel is involved.
Can be used for uterine and urinary bleeding patterns with heat - though famous for hemorrhoids, its cooling-blood logic extends more broadly when heat agitates the vessels.

Huai Hua San - the signature formula for intestinal wind and blood in the stool, with Huai Hua as the central cooling-hemostatic herb.
Bleeding formulas may combine Huai Hua with Di Yu, Ce Bai Ye, or Jing Jie Tan depending on the bleeding site and pattern.
Liver-fire and red-eye combinations may pair Huai Hua with Ju Hua, Xia Ku Cao, or Jue Ming Zi.

Traditional herbology describes Huai Hua as bitter and cool, entering the Liver and Large Intestine to cool blood, stop bleeding, and clear Liver heat.
Its strongest classical identity is hemorrhoidal or intestinal bleeding from heat, which is why it anchors Huai Hua San.
The flower-bud form is especially associated with cooling and hemostatic use.