Grassleaf Sweetflag Rhizome

Traditional Use

Primary Actions

• Opens the orifices and transforms phlegm-turbidity - Shi Chang Pu is classically used for clouded consciousness, epilepsy, dizziness, deafness, or foggy thinking when phlegm blocks the clear Yang.
• Calms the Spirit and benefits cognition - it is applied in forgetfulness, poor concentration, insomnia with turbidity, and emotional disturbance when the Heart is not communicating clearly.
• Aromatically transforms dampness and harmonizes the middle - traditional use includes nausea, poor appetite, abdominal fullness, and foul turbidity affecting digestion.

Secondary Actions

• Shi Chang Pu is often chosen when mental clouding and digestive dampness appear together, which is why it bridges the orifice-opening and aromatic-transforming categories.
• SOURCE NOTE: this record follows the accepted Acorus tatarinowii identity and keeps it distinct from Shui Chang Pu, Jiu Jie Chang Pu, and other Chang Pu materials.

Classic Formulas

• Ding Zhi Wan - classical combination with Ren Shen, Fu Ling, and Yuan Zhi for phlegm clouding, forgetfulness, fright, and disturbed sleep.
• Chang Pu Yu Jin Tang - warm-disease style pairing for phlegm-heat obstructing the Heart orifices with confusion, agitation, or muttering.
• Di Tan Tang - formula logic for epilepsy, stroke, or dizziness in which phlegm blocks the orifices and clear Yang cannot rise.

Classical References

• TCM Wiki describes Shi Chang Pu as acrid, bitter, and warm, entering the Heart, Spleen, and Stomach to open the orifices, vaporize phlegm, and harmonize the middle.
• Me & Qi similarly emphasizes the Acorus tatarinowii rhizome as a bridge between phlegm-turbidity obstructing the Heart and damp obstruction affecting digestion.
• The herb's reputation for benefiting hearing, cognition, and memory depends on its ability to clear turbidity rather than on a purely tonic action.