0.3–1 cun strictly vertically to the skin or obliquely in an inferior direction, with the patient’s back straight or flexed in order to avoid puncturing the spinal canal.
Oblique insertions should only be carried out by experienced practitioners, as in small persons, irrespective of their body weight, the spinal canal may be reached after only 1.25 cun.
Dazhui Du-14 has two distinct functions, depends if it is used by Reducing or Tonifying method.
When Reducing method is applied, it mostly clears Heat and release Wind from Exterior. The typical manifestations during a Wind-Heat invasion are fever, feeling of heat, aversion to cold, body aches as well as occipital headache and stiffness.
This external Wind-Heat also disturbs the normal circulation of Defensive and Nutritive Qi, thus causes the symptoms of fever, aversion to cold, fever and slight sweating. Dazhui DU-14 is able to ease the above symptoms.
On top of that, this point is able to expel virtually any Exterior Wind or Heat regardless the Organs or Channels involved. Thus it can treat epilepsy.
This is the Sea of Qi point and the meeting point of Governing Vessel and all Yang Channels. It stimulates the Brain by transporting clear Yang upwards to the Head. Therefore, the Mind is cleared in case that the patients are confused and depressed.