POINT: SJ-16 (SAN JIAO-16)

English:	Window of Heaven
Also Known As:	Heaven's Window

On the lateral side of the neck,directly below the posterior border of the mastoid process on the level of the mandibular angle, and on the posterior border of the sternocleidomastoid muscle.
On the posterior border of the sternocleidomastoid muscle, level with the angle of the mandible, approximately 1 cun inferior to GB-12 Wangu.
Posterior and inferior to the mastoid process at the posterior at the posterior border of the sternocleidomastoid muscle, near the hairline.

Puncture perpendicularly 0.3 to 0.5 cun.
Moxibustion is applicable.
Perpendicular insertion 0.5 to 1 cun. Sensation: local distention and soreness.

SJ-9 Sidu	UB-22 Fengmen UB-60 Kunlun SJ-1 Guanchong REN-4 *Guanyuan*	UB-45 (needle first) Yixi GB-20 *Fengchi*
Sudden deafness	Wind dizziness Headache	Swelling of the face
DU-26 Renzhong	UB-15 Xinshu	ST-12 Quepen DU-11 Shendao UB-11 Dazhu REN-22 Tiantu ST-28 Shuidao LI-16 Jugu
Nasal discharge with inability to distinguish the fragrant from the foul	Lacrimation	Pain of the shoulder and back
SI-3 Houxi	GB-12 Wangu SI-2 Qiangu	SI-19 Tinggong SJ-2 Yemen
Stiffness of the neck with inability to turn the head	Tired throat Swelling of the neck with inability to turn the head Swelling of the cheek that radiates to the ear	Deafness
SJ-17 Yifeng LI-4 Hegu
Sore throat

This point, along with the other Window of Heaven points, is able to regulate and balance the Qi between the head and body.
It is used for inversion Qi (chaotic and rebellious Qi rushing to the head).