Points: Renying (ST 9), Quchi (LI 11) and Jianzhen (SI 9)
Technique: Renying (ST 9) is injected with berberine, 1-2 ml. At the same time, Quchi (LI 11) and Jianzhen (GB 21) are punctured and the needles are retained for 30 minutes after the arrival of qi. The method is for acute and chronic chorditis vocalis and vocal fold edema.