Xuan Ming Fen … Classic Formulas
Xuan Ming · Natrii Sulfas Exsiccatus
Primary Actions
- Purges heat and softens hardness ... Xuan Ming Fen is the refined sodium-sulfate lane used for severe heat constipation, dry stool, and abdominal fullness.
- Clears swelling and fire toxicity externally ... traditional use includes sore throat, mouth ulcers, and other hot swollen lesions.
- Moistens dryness while draining downward ... the refined powder form is historically treated as part of the Mang Xiao family but with a narrower and often cleaner medicinal presentation.
Classic Formulas
- Tiao Wei Cheng Qi Tang ... bowel heat with dryness that benefits from moistening purgation.
- Da Cheng Qi Tang ... major heat accumulation with hardness and constipation.
- Bing Peng San and related topical heat-clearing powders ... external throat and mouth lesion use.
Classical Text References
- Later materia medica describe Xuan Ming Fen as the refined or weathered mirabilite form used internally for bowel heat and externally for fire-toxic swelling.
- The shorter inherited pinyin on this page points to the same classical medicinal family as Xuan Ming Fen.