穴道名稱：三陰交

(1)三陰交。三陰，足三陰經也。交，交會也。該穴名意指足部的三條陰經中氣血物質在本穴交會。本穴物質有脾經提供的濕熱之氣，有肝經提供的水濕風氣，有腎經提供的寒冷之氣，三條陰經氣血交會於此，故名。
(2)太陰。太，大也。陰，陰之屬也。本穴物質為足三陰經氣血交會而成，位處足部，總體表現出較強的陰寒特性，故名太陰。
(3)下三里。下，下部也。三里，穴內氣血場的範圍也。下三里名意指本穴的氣血場範圍較大，有如三里之廣，故名。
(4)足少陰厥陰太陰之會。理同三陰交名解。
(5)足太陰絡。絡，聯絡也。本穴物質為足三陰經交會而成，氣血物質又由本穴重新分配到足三陰經，本穴有聯絡足三陰經氣血的作用，故為足太陰絡。

直刺0.5～1.5寸。孕婦慎用

在脛骨後緣和比目魚肌之間，深層有屈趾長肌；有大隱靜脈，脛後動、靜脈；有小腿內側皮神經，深層後方有脛神經。

艾條灸10-20分鐘，艾炷灸5-10壯 。注意孕婦不宜使用灸法

Three Yin Intersection

Abdominal pain, borborygmus, abdominal distension, diarrhea, dysmenorrhea, irregular menstruation, uterine bleeding, morbid leukorrhea, prolapse of the uterus, sterility, delayed labor, nocturnal emission, impotence, enuresis, dysuria, edema, hernia, pain in the external genitalia, musclar atrophy, motor impairment, paralysis and pain of the lower extremities, headache, dizziness and vertigo, insomnia. Strengthens Spleen, transforms dampness, spreads Liver qi, helps Kidneys.3 cun directly above the tip of the medial malleolus, on the posterior border ofthe medial aspect of the tibia.Vasculature: The great saphenous vein, the posterior tibial artery and vein.Innervation: Superficially, the medial crural cutaneous nerve; deeper, in the posterior aspect, the tibial nerve.