大隐静脉是下肢的重要浅静脉。正常的解剖结构 ,单侧只有一条大隐静脉 ,在足的内侧缘起于足背静脉弓 ,于耻骨结节下外方 3～ 4厘米处 ,穿筛筋膜注入股静脉。本文作者在制作教学标本时发现一例左侧下肢存在双大隐静脉 ,为提供解剖变异资料 ,特报告如下 :在左下肢浅筋膜内有一粗? Great saphenous vein is an important superficial vein of lower extremity. Normal anatomical structure, only one side of the great saphenous vein, in the medial margin of the foot from the dorsal venous arch, outside the pubic tubercle 3 to 4 cm, through the fascia into the femoral vein. In the production of teaching specimens, the author found a case of double great saphenous veins in the left lower extremity. In order to provide information on anatomical variations, a special report was made as follows: