On the posterio-inferior part of the medial malleolus, approximately 0.5 cun posterior to the midpoint of a line drawn from Taixi(KI3) to Shuiquan(KI5), on the anterior border of the Achilles tendon.
- ②Retention of urine, enuresis, constipation;
- ③Irregular menstruation;
- ④Hemoptysis, asthma;
- ⑤Pain in the lower back, pain in the heel.
Puncture perpendicularly 0.3-0.5 inch. Moxibustion is applicable.