The exact location of Mute Gate is located in the posterior midline, the posterior cervical region, the 2nd cervical vertebrae spinous processes in the upper margin of the depression to take the point. Mute Gate, also known as tongue aversion, belongs to the Directing Vessel, located in the posterior midline, posterior cervical region, the 2nd cervical vertebrae spinal protrusion in the upper margin of the depression to take the point, this point has the effect of liquefying the orifices to awaken the spirit and clear the brain, expelling the wind and diarrhea and heat to pass through the collaterals. Clinically, it is mainly used for the treatment of mute (sudden loss of voice), slow speech, epilepsy, epilepsy, hysteria, headache, neck pain, deafness and mute, epistaxis (nosebleed) and so on. It should be noted that the location of Mute Gate is deep and close to the medulla oblongata, and the angle and depth of needling must be strictly controlled when entering the needle. Mute Gate is a commonly used point in clinical practice, and needling this point should be done by a professional acupuncturist, not blindly by oneself to avoid accidents.