The exact location of Da Ying point is in front of the angle of the lower jaw, in the depression of the anterior edge of the attachment of the biting muscle. Da Ying is from “Su Wen – Treatise on Qi Points” and belongs to the Foot Yangming Stomach Meridian. Da Ying is located in front of the angle of the lower jaw, in the depression of the anterior edge of the attachment of the bite muscle. The effects of Da Ying are to clear the nose, pass the passages, remove warmth and toxicity from the body, tranquilize the mind, and calm the spirit. In modern times, it is often used to treat toothache, blepharospasm, facial cellulitis, facial nerve paralysis, mumps, trigeminal neuralgia and facial muscle spasm. Da Ying acupoint is used with Gum Jiao acupoint, Shang Guan acupoint and Cataract acupoint to treat silent mouth without opening the nose; with Di Cang acupoint, Yu Ji acupoint and Tong Li acupoint to treat loss of voice; with Hearing Hui acupoint and Quchi acupoint to treat toothache and coldness; with Xi Guan acupoint to treat dislocated teeth; with Gu acupoint, Di Cang acupoint and Cheng Ju acupoint to treat skewed mouth and eyes; and with Hou Xi acupoint, Buccal Pain acupoint and He Gu acupoint to treat pain and redness in the cheeks and cheek pain and swelling. If you need to use acupoints for treatment, you need to have a doctor to locate and operate them accurately, do not operate them on your own to avoid adverse consequences.