The Zhi San acupoint is the Dong needle acupoint, belonging to the extraordinary acupoint outside the meridians. It is located on the central outer three-point line of the second section of the ring finger on the back of the hand, with a total of three acupoints. The third and second acupoints are located on the outer third of the center of the second segment of the ring finger on the back of the hand. Refers to the three-point one acupoint located two and a half points below the three-point two acupoint. Finger three layers and three acupoints - located two and a half points above the finger three layers and two acupoints.
Acupoint based meridian tropism
Guijing: enters the liver and kidney meridians.
Acupoint type: promoting blood circulation and removing blood stasis, dispelling wind and reducing swelling.
【 Functions and Indications 】
Function: The Triple Acupoint has the functions of promoting blood circulation, removing blood stasis, reducing swelling, and relieving pain. It has a good improvement effect on skin, facial areas, and breast related diseases.
Indications: Milk congestion, breast tumors, nipple enlargement, muscle atrophy, wind dispelling, facial nerve paralysis.
Clinical Application
（1） This acupoint is paired with shoulder peak, which is effective in treating breast cancer and breast tumors.
（2） This acupoint is used to treat muscle atrophy and weakness in the limbs and kidneys, with good therapeutic effects.
（3） This acupoint is combined with Zhongzi Chongxian and Shuanglong to treat nipple inflammation, with significant therapeutic effects.
（4） This acupoint is paired with three springs, four flowers, and three yellows, which effectively paralyzes the nerves on the opposite side.