This document summarizes the venous drainage of the lower limb. It describes the superficial and deep veins, including the great saphenous vein and short saphenous vein. It discusses the tributaries and perforating veins that connect the superficial and deep systems. Key anatomical structures are identified, such as the dorsal venous arch and saphenous opening. The document also outlines risk factors for varicose veins and venous insufficiency.