LOCATION
On the inferior margin of the medial condyle of the tibia, in the depression of the medial border of the tibia.
Features
He/Sea Point . Main point for promoting diuresis.
Body Inches (cun)
Each person has his/her own personal body inches.
One cun is equal to the width of the Knuckle of the thumb.
Nerves, vascular
The medial cutaneous nerve, tibial nerve, great saphenous vein, superior knee artery, posterior tibial artery and vein.
Indication
Enuresis，urinary retention，uroclepsia，urinary tract infection，nephritis，spermatorrhea，impotence；peritonitis，indigestion，ascites，enteritis，diarrhea；vaginitis，irregular menstruation；insomnia，knee arthritis，lower limb paralysis。He Sea point – drains dampness (generally through urination),LV 8 will drain damp from the genital region and SP 9 will drain damp from the lower warmer. Chronic yeast infections, candida. Damp Bi, Medial Knee Pain. Issues involving damp-heat in the GB – hepatitis, jaundice. Tong CV/Tam Healing System: Any water issue in the body (bloating, swelling, urinary issues, dry mouth, etc.).
Combinations
Stomach cold：SP 09 & SP 06.
Cholera，Acute diarrhea：SP 09 & BL 57 & ST 41 & SP 03
Swelling，edema：SP 09 & CV 09.
Jaundice：SP 09 & SP 06 & GB 24 & GV 09 & BL 19 & BL 48.
Enuresis：SP 09 & GB 34.
Difficulty in urination，ascites：SP 09 & CV 09 & CV 03 & ST 36 & SP 06.
穴位
在小腿內側，當脛骨內側髁後下方凹陷處。 取曲膝之橫紋尖頭處。
特點
合（水）穴。
同身寸
針灸取穴比量法。出自《千金要方》。
是指以患者本人體表的某些部位折定分寸，
作为量取穴位的長度單位。
穴區神經血管
小腿內側皮神經，脛神經，大隱靜脈，膝最上動脈，脛後動、靜脈。
適應症
遺尿，尿瀦留，尿失禁，尿路感染，腎炎，遺精，陽萎；腹膜炎，消化不良，腹水，腸炎，痢疾；陰道炎，月經不調；失眠，膝關節炎，下肢麻痺。
穴位配伍療法
胃寒，腹寒：1.陰陵泉 2.三陰交
霍亂，急性腹瀉：1.陰陵 2.承山 3.解溪 4.太白
水腫：1.陰陵泉 2.水分
黃疸：1.陰陵泉 2.三陰交 3.日月 4.至陽 5.膽俞 6.陽綱
失禁遺尿不自知：1.陰陵泉 2.陽陵泉
小便不利，腹水：1.陰陵泉 2.水分 3.中極 4.足三里 5.三陰交