"Zigong" (紫宮) refers to the Purple Palace, a star name in ancient Chinese astronomy, believed to be the seat of Heavenly Emperor. The acupoint is located near heart and is closely related to it, hence the name.

bubble_chart Location

Zigong (CV19) acupoint
(adapted from "Meridians and Acupoints")

Located on the midline of chest, level with 2nd intercostal space, slightly below sternal angle.

• Zhenjiu Jiayi Jing: "1.6 cun below Huagai (CV20), in the depression".

bubble_chart Anatomy

• Muscles: superficial fascia is thin, with almost no fat.
• Nerve: medial branch of anterior cutaneous branch of second intercostal space.
• Vessels: anterior perforating branches of the internal thoracic (mammary) artery and vein.

bubble_chart Manipulation

Subcutaneous insertion 0.3~0.5 cun. Moxibustion with moxa cone 3 to 5 times, moxibustion with moxa stick for 15 to 20 minutes.

bubble_chart Efficacy

Soothe chest, decend counterflow.

• Classical: chest and hypochondriac pain, irritability, inability to eat, vomiting, asthma, pharyngitis.
• Modern: pharyngitis, tracheitis, costochondritis.

bubble_chart Combinations

• Cough and irritability: Zigong (CV19), Yutang (CV18), Taixi (KI3).
• Fullness and distension in chest and ribs: Zigong (CV19), Zhongting (CV16), Yongquan (KI1).
• Inability to eat: Zigong (CV19), Zhongting (CV16), Danshu (BL19).