ST4 (Dicang, “Dicang”) is the Meeting point of LI, GB, Ren point of the Stomach Meridian. Located 0.4 cun lateral to the corner of the mouth (the oral commissure), directly below the pupil when the eyes are looking straight ahead. Some classics note a slight pulsation may be felt nearby. It expels wind from the face, activates the channel, alleviates pain, and corrects deviation of the mouth and eyes.
Located 0.4 cun lateral to the corner of the mouth (the oral commissure), directly below the pupil when the eyes are looking straight ahead. Some classics note a slight pulsation may be felt nearby.
Transverse-oblique insertion, 1.0 to 1.5 cun, directed towards ST6 (Jiache) for facial paralysis, or towards the opposite ST4 for perioral issues.
Expels wind from the face, activates the channel, alleviates pain, and corrects deviation of the mouth and eyes.
Facial paralysis, deviation of the mouth and eye, inability to close the eye, twitching of the eyelid, drooling, difficulty speaking, loss of voice, foot weakness, inability to walk, foot swelling, itching of the pupil, far-sightedness, inability to see at night, inability to eat or drink without leakage, toothache, facial swelling, trigeminal neuralgia.
Dicang is a primary local point for treating facial paralysis, Bell's palsy, and post-stroke sequelae affecting the mouth. Its classical indication for contralateral needling (needling the healthy side) is a key strategy. It is also effective for related symptoms like drooling, difficulty speaking, and trigeminal neuralgia. Combining it with distal points on the Yangming channels, such as LI4 and ST36, enhances its wind-expelling and channel-unblocking effects.
Classical text; the translation was prepared with AI and is not clinical advice.
《針灸甲乙經》 Zhēnjiǔ Jiǎyǐ Jīng — Systematic Classic of Acupuncture & Moxibustion, c. 256–282 · 卷10 · Source: Wikisource ↗
足緩不收，痿不能行，不能言語，手足痿不能行，地倉主之The text records that ST4 was used for slack feet that cannot be drawn up, weakness preventing walking, inability to speak, and weakness of the hands and feet with inability to walk.
《醫學綱目·刺灸》 Yīxué Gāngmù · Cìjiǔ — Outline of Medicine: Needling and Moxibustion, Lou Ying, 1565 · 卷之八·陰陽臟腑部 · 穴法下 · Source: jicheng.tw ↗
地倉二穴，在俠口吻旁四分，如近下有脈微動者是，蹺脈手足陽明之會。 針入三分，可灸二七壯According to this text, ST4 lies 0.4 cun beside the corner of the mouth, where a faint pulsation is felt just below, and is a meeting point of the Qiao vessel with the hand and foot yangming; it is needled 0.3 cun and may receive 14 moxa cones.
《神應經》 Shényìng Jīng — Classic of Divine Response, Chen Hui, 1425 · 穴法图 · Source: Wikisource ↗
地仓 在夹口吻四分之处，近下有脉微微动是也。 针三分半，灸日七、二七According to this text, ST4 lies 0.4 cun beside the corner of the mouth, where a faint pulsation is felt just below; it is needled 0.35 cun and given 7 or 14 moxa cones a day.
ST4 is one of 45 points on the Stomach Meridian. Nearby points:
Located 0.4 cun lateral to the corner of the mouth (the oral commissure), directly below the pupil when the eyes are looking straight ahead. Some classics note a slight pulsation may be felt nearby.
ST4 expels wind from the face, activates the channel, alleviates pain, and corrects deviation of the mouth and eyes. Common clinical indications include facial paralysis, deviation of the mouth and eye, inability to close the eye, twitching of the eyelid, drooling, difficulty speaking, loss of voice, foot weakness, inability to walk, foot swelling, itching of the pupil, far-sightedness, inability to see at night, inability to eat or drink without leakage, toothache, facial swelling, trigeminal neuralgia.
Transverse-oblique insertion, 1.0 to 1.5 cun, directed towards ST6 (Jiache) for facial paralysis, or towards the opposite ST4 for perioral issues.
ST4 is a point on the Stomach Meridian (Zú Yángmíng Wèijīng).