Nomenclature:

Qu: crooked chi:pond.
Quchi is located on the depression at the elbow like a pool when the arm is bent and this point is inside it.

Location of quchi:

With the elbow is flexed, the point is in the midpoint between the lateral end of the transverse cubical crease and the lateral epicondyle of the humerus.

Method

Puncture perpendicularly 0.8-1.5 cun.
Moxibustion is applicable.

Indications of quchi

• Quchi is used to clear heat ( Yangming channel ) and is one of the major point to clear heat and fire.
• Main point for diseases of the head, face and the five sense organs, such as swollen and sore throat, toothache, redness and pain in the eyes, often used with Hegu.
• Local problems: Help for the flow of qi and blood in upper arm. So, used for elbow pain, stiffness; especially for tenis elbow.
• Febrile disease;
• Rubella, eczema, carbuncle, wind rash, dry heat, itching skin.
• Hypertension
• Paralysis of the arm,pain and weakness in the elbow;
• Psychosis;
• Abdominal pain, diarrhea.

Remark:

He-sea point. Main point for antianaphylaxis and antipyresis.

Quchi is one of the most commonly point used in clinical practice.  Also have been described in the book” Insights of a Senior Acupuncturist” by Miriam Lee as one of the point that gives exceptional results  in combination with : Zu San Li (St 36), San Yin Jiao (Sp 6), He Gu (LI 4) and Lie Que (Lu 7).