Duiduan(GV-27/兌端) : Nomenclature, Location, Functions, Method, Precaution

Nomenclature:

Dui: mouth Duan: tip
Duiduan is at the tip of the upper lip.
English name/meaning : End Exchange
Chinese name: 兌端
Chinese pinyin : duì duān
Korean name: tae don 태단
Japanese name: da tan(?)
Vietnamese name: Đoài đoan

Location:

On the midline, at the junction of the margin of the upper lip and the philtrum.

Method:

Insert obliquely directed superiorily 0.2 to 0.3 cun.

Indication:

• Calms shen so is used for various mental ilness line anxiety, depression, epilepsy, infantile convulsion
• Clears heat so helps with mouthbleeding and sores, pain and swelling in the gums due to heat affecting yangming channel.
• Local disorders of mouth, lip and teeth.

Remark:

First aid for toothache.

Precautions:

General precautions.