Borax 60 gm, Sodium Sulfate 9 gm, White Silkworm (remove head, stir-fried until yellow, grind into powder) 4.5 gm, Licorice (raw, take powder) 4.5 gm, Indigo Naturalis 6 gm.

bubble_chart Preparation and Dosage

Grind the above ingredients into powder. Take 6 grams each time, mix with 80 ml of well water, and sip slowly; or apply a small amount frequently and swallow the saliva.

bubble_chart Indications

A fishbone stuck in the throat that cannot be removed, and chronic throat obstruction.