[Location] Localized in the erecl sitting position, at the lateral one-third point between antilobium's tip and Tinggong (SI19). (Fig.84)
 
[Regional Anatomy] Skin→subcutaneous tissue→Auricular cartilage. The distribution of anterior auricular branches of temporal artery and vein, dorsal auricular branches of auricular artery and vein, anterior auricular branches of auriculotemporal nerve, dorsal auricular branches of lesser occipital nerve, auricular branch of cranial nerve.