crossing point: foot shaoyang, Yangwei meeting. According to Nan Jing, it is also the meeting of Yang Qi.

[Origin]

The acupoint is on the side of the neck and is sunken like a "pool". It is a place where wind evil easily invades. It is also an important acupoint for treating wind syndrome/pattern, hence the name.

[Location]

Fengchi, Fengfuacupoint cross section
(quoted from "Yan Zhenguo acupoint anatomy")

Fengchi (GB20) acupoint
(quoted from "Meridians and Acupoints")

Below the nuchal occipital bone, behind the upper outer edge of the trapezius muscle and the upper end of the sternocleidomastoid muscle The depression between the edges. When the midpoint between Fengfu (GV16) and Yifeng (TE17), or between the tip (lower end) of the mastoid process of the temporal bone and the spinous process of the second cervical vertebra .

• Zhenjiu Jiayi Jing: "After temporal 顬 (Naokong (GB19) ) hairline trapped in the middle";
• Waitai Miyao: "on both sides of the item";
• Suwen‧Qifu Lun Wang Bing Note: "In If the ear is sunken, press it and guide it into the ear";
• Yixue Rumen: "One and a half inches behind the ear, Hengxia Fengfu (GV16)";
• Zhenfang Liuji: "Xia Fengfu (GV16) opens two inches on each side";
• Xunjing Kaoxue Bian : "The flat earrings are slightly upward, and the hairline outside the big ribs is sunken in, in line with Yifeng (TE17)."

[Anatomy]

• Muscle: Between the sternocleidomastoid muscle and the stop of the trapezius muscle, the deep layer is the splenium capitis muscle.
• Nerve: branches of the lesser occipital nerve, and the medial part is the greater occipital nerve.
• Vessels: branches of occipital artery and vein.

[Manipulation]

Insert 0.5 to 1.2 inches toward the inner canthus of the contralateral eye. Do not insert deeply, especially toward the outer canthus, tragus, or front edge of the tragus on the opposite side to prevent injury to the cranial cavity, medulla oblongata, or brain. Do not stab deeply toward the inner canthus of the same side of the eye to avoid injury to the vertebral artery. Generally no moxibustion is used.

[Efficacy]

dispelling wind, releasing exterior, clearing head, benefiting five sense organs and seven orifices.

• Classical: headache, vertigo, Rebing Sweating, malaria, apoplexy, hyperthyroidism, strong neck pain, unclear vision, excessive eye discharge, excessive tears, Red pain, eye pain, ear diseases, allergic rhinitis, and muscular spasm.
• Modern: hypertension, concussion, common cold, myopia, electronic ophthalmia, retinal artery obstruction, glaucoma, acute conjunctivitis, eyelid ptosis, hemifacial spasm, urticaria measles.

[Recipe]

• Unknown: Fengchi (GB20), Wuchu (BL5).
• pterygium: Fengchi (GB20), Qingming, Taiyang (EX-HN5), Hegu (LI4).
• common cold: Fengchi (GB20), Waiguan (TE5).
• stuffy nose: Fengchi (GB20), Shangxing (GV23), Yingxiang (LI20), Hegu (LI4).
• Hypertension: Fengchi (GB20), Quchi (LI11), Zusanli (ST36), Taichong (LR3).
• Positive headache: Taiyang (EX-HN5), Fengchi (GB20), Hegu (LI4).
• Post-headache: Fengchi (GB20), Houxi (SI3), Kunlun (BL60).
• myopia: Fengchi (GB20), Hegu (LI4), Jingming (BL1), Chengqi (ST1).
• electronic ophthalmia: Fengchi (GB20), Hegu (LI4).