PC7 (Daling, “Daling”) is the Shu-Stream point of the Pericardium Channel Meridian. It is located on the palmar aspect of the wrist, at the midpoint of the transverse wrist crease, in the depression located between the tendons of the palmaris longus and the flexor carpi radialis muscles. It clears heat from the Heart, calms the Spirit, harmonizes the Stomach and intestines, unbinds the chest, and cools the blood.
On the palmar aspect of the wrist, at the midpoint of the transverse wrist crease, in the depression located between the tendons of the palmaris longus and the flexor carpi radialis muscles.
Perpendicular insertion 0.3 to 0.5 cun. The median nerve lies directly deep to this point, so care must be taken to avoid it.
Clears heat from the Heart, calms the Spirit, harmonizes the Stomach and intestines, unbinds the chest, and cools the blood.
Wind-heat with propensity for anger, mania, delirious speech, seeing ghosts, sadness, weeping, fear and fright, heart pain, heart feeling suspended as if hungry, vexation, restlessness, insomnia, vomiting blood, scabies, sores, head pain, red eyes, yellow eyes, throat impediment, dry mouth, short breath, chest and hypochondriac pain, palm heat, arm and elbow contracture, inability to raise the arm, hemiplegia, ear ringing, mania with tongue thrusting and jaw bobbing, epilepsy, heat disease with restlessness and no sweat, incessant vomiting, urinary disturbance like blood.
As the Yuan-Source and Shu-Stream point of the Pericardium channel, Daling is a primary point for addressing disturbances of the Heart and Spirit. Its classical indications strongly emphasize its ability to clear heat, calm mania, and alleviate severe emotional distress such as fright, sadness, and delirious speech. It is also a key local point for wrist and arm issues and has a notable effect on stopping vomiting, especially vomiting of blood, and resolving chest pain.
Classical text; the translation was prepared with AI and is not clinical advice.
《扁鵲神應針灸玉龍經》 Biǎn Què Shényìng Zhēnjiǔ Yùlóng Jīng — Bian Que's Jade Dragon Classic of Divinely Responsive Acupuncture & Moxibustion, 1329 · 乙手厥阴心包络经 · Source: Wikisource ↗
大陵 为输土。 在掌后两筋间陷中。 治心膈痛，喜笑悲哀，头痛目赤，小便不利According to this text, PC7 is the shu-stream earth point in the depression between two tendons behind the palm, and was used for heart and diaphragm pain, laughing and grieving, headache with red eyes, and difficult urination.
《針灸甲乙經》 Zhēnjiǔ Jiǎyǐ Jīng — Systematic Classic of Acupuncture & Moxibustion, c. 256–282 · 卷03 · Source: Wikisource ↗
大陵者，土也。 在掌後兩筋間陷者中，手心主脈之所注也，為俞。 刺入六分，留七呼，灸三壯According to this text, PC7 is the earth point in the depression between two tendons behind the palm, where the hand Xinzhu vessel 'pours', as the shu-stream point; it is needled 6 fen, retained seven breaths, with 3 moxa cones.
《備急千金要方》 Bèijí Qiānjīn Yàofāng — Essential Prescriptions Worth a Thousand Gold for Emergencies, c. 650 · 第二 · Source: Wikisource ↗
妊娠三月，手心主脈養，不可針灸其經（如中沖、勞宮、大陵、內關、間使The text records that in the third month of pregnancy the hand Xinzhu vessel nourishes the fetus, so its channel must not be needled or moxibusted, naming points such as Zhongchong, Laogong, PC7, Neiguan and Jianshi.
《醫學綱目·刺灸》 Yīxué Gāngmù · Cìjiǔ — Outline of Medicine: Needling and Moxibustion, Lou Ying, 1565 · 卷之七·陰陽臟腑部 · 刺灸通論（刺虛實刺寒熱入治寒熱法） · Source: jicheng.tw ↗
抑又聞心胸病求掌後之大陵，肩背患責肘前之The text records the saying that for diseases of the heart and chest one seeks PC7 behind the palm.
PC7 is one of 9 points on the Pericardium Channel Meridian. Nearby points:
PC7 (Daling) is located on the palmar aspect of the wrist, at the midpoint of the transverse wrist crease, in the depression located between the tendons of the palmaris longus and the flexor carpi radialis muscles.
PC7 clears heat from the Heart, calms the Spirit, harmonizes the Stomach and intestines, unbinds the chest, and cools the blood. Common clinical indications include wind-heat with propensity for anger, mania, delirious speech, seeing ghosts, sadness, weeping, fear and fright, heart pain, heart feeling suspended as if hungry, vexation, restlessness, insomnia, vomiting blood, scabies, sores, head pain, red eyes, yellow eyes, throat impediment, dry mouth, short breath, chest and hypochondriac pain, palm heat, arm and elbow contracture, inability to raise the arm, hemiplegia, ear ringing, mania with tongue thrusting and jaw bobbing, epilepsy, heat disease with restlessness and no sweat, incessant vomiting, urinary disturbance like blood.
Perpendicular insertion 0.3 to 0.5 cun. The median nerve lies directly deep to this point, so care must be taken to avoid it.
PC7 is a point on the Pericardium Channel Meridian (Xīnbāo Jīng).