ST5 (Daying, “Daying”) is the Sun Si-miao Ghost Point point of the Stomach Meridian. It is located anterior to the angle of the mandible, in a depression where the facial artery pulsates. This point is located 1.3 cun anterior to the angle of the jaw, on the anterior border of the masseter muscle. It expels wind from the face, reduces swelling and alleviates pain, benefits the jaw and teeth.
Anterior to the angle of the mandible, in a depression where the facial artery pulsates. This point is located 1.3 cun anterior to the angle of the jaw, on the anterior border of the masseter muscle.
Oblique insertion 0.3-0.5 cun, or transverse insertion 0.5-1.0 cun. Avoid puncturing the facial artery.
Expels wind from the face, reduces swelling and alleviates pain, benefits the jaw and teeth.
Facial paralysis, lockjaw (trismus), inability to speak, deviation of the mouth, eye pain, inability to close the eyes, toothache, swelling of the cheek and jaw, scrofula, chills and fever, neck pain, inability to chew, loss of the ability to yawn.
Daying is a primary local point for disorders affecting the jaw, teeth, and facial muscles. It is particularly effective for conditions caused by wind, such as facial paralysis, lockjaw, and trigeminal neuralgia, often combined with distal points like Hegu (LI4). Its ability to treat scrofula and neck swellings is well-documented in classical texts, highlighting its role in moving Qi and Blood in the neck and submandibular region. Palpating for the pulsation of the facial artery is the key to accurate location.
Classical text; the translation was prepared with AI and is not clinical advice.
《普濟方·針灸門》 Pǔjì Fāng · Zhēnjiǔ Mén — Formulas for Universal Relief: Acupuncture & Moxibustion Section, Zhu Su, 1406 · 卷四百十四 · 針灸門 · 面部第三行左右十穴 · Source: jicheng.tw ↗
大迎二穴 在曲頷前一寸二分骨陷中動脈It is located 1.2 cun in front of the angle of the jaw, in the bony depression where a vessel pulsates, according to this text (ST5).
《類經》 Lèijīng — Classified Canon, Zhang Jiebin, 1624 · 二十一卷·针刺类 · 四十四、刺头项七窍病 · Source: Wikisource ↗
遍齿者，名曰大迎，下齿龋取之，臂恶寒补之，不恶寒泻之The text records that the branch of the arm yangming spreading through the teeth is called Daying (ST5), that it was used for decay of the lower teeth, and that it was tonified if the arm was averse to cold and drained if not.
ST5 is one of 45 points on the Stomach Meridian. Nearby points:
ST5 (Daying) is located anterior to the angle of the mandible, in a depression where the facial artery pulsates. This point is located 1.3 cun anterior to the angle of the jaw, on the anterior border of the masseter muscle.
ST5 expels wind from the face, reduces swelling and alleviates pain, benefits the jaw and teeth. Common clinical indications include facial paralysis, lockjaw (trismus), inability to speak, deviation of the mouth, eye pain, inability to close the eyes, toothache, swelling of the cheek and jaw, scrofula, chills and fever, neck pain, inability to chew, loss of the ability to yawn.
Oblique insertion 0.3-0.5 cun, or transverse insertion 0.5-1.0 cun. Avoid puncturing the facial artery. Caution: The facial artery and vein are located at this point; needling should be done with care to avoid them.
ST5 is a point on the Stomach Meridian (Zú Yángmíng Wèijīng).