在颈前部，横平甲状软骨上缘，胸锁乳突肌前缘，颈总动脉搏动处。

注1:头部抗阻力转向对侧时胸锁乳突肌显露更明显。

注2:本穴横平扶突(LI18)、天窗(SI16)与甲状软骨上缘。三穴的关系为：胸锁乳突肌前缘处为人迎(ST9)，后缘为天窗(SI16)，中间为扶突(LI18)。

In the anterior region of the neck, at the same level as the superior border of the thyroid cartilage, anterior to the sternocleidomastoid muscle, over the common carotid artery.

Note 1: The sternocleidomastoid muscle is more distinct when the head is turned to the opposite side against resistance

Note 2: ST9 is located at the same level as LI18, SI16 and the superior border of the thyroid cartilage. ST9 is located anterior to the sternocleidomastoid muscle, and SI16, posterior to the sternocleidomastoid muscle and LI18, between the anterior and posterior borders of the sternocleidomastoid muscle.

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