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【Location】On the face，at the upper segment of the nasolabial groove，lateral to the midpoint of the nasal ala.
【Manipulation Method】Puncture perpendicularly 0.1-0.2 cun，or puncture obliquely 0.3-0.5 cun.
【Indications】Nasal obstruction，epistaxis，rhinorrhea，nasal polyp，deviated mouth，biliary ascariasis.
【Stratified anatomy】（Fig.1-12）
（1）Skin The skin is distributed by infraorbital n..
（2）Subcutaneous tissue There are branches of infraorbital n.，branches or tributaries of facial a. ＆ v..
（3）Levator Iabii superioris The levator labii superioris is located in the deep surface of superficial fascia in infraorbital region and the upper fascicle is coverd by orbiculans oculi.
The deep surface of the acupoint is maxilla.