Varicose veins should be seen early in a regular hospital. The main examinations include: 1, physical examination: doctors exclude whether varicose veins produce thrombosis, venous reflux; 2, the main examination is ultrasound: this is a non-invasive examination, simple and fast, and the diagnosis rate is relatively high, which is the most common one; 3, lower limb venography: cis-venography, or retrograde venography, generally cis-venography is used more often, which can be distinguished from lower limb deep vein thrombosis It can be distinguished from the sequelae of deep vein thrombosis or other malformations of arteries and veins. Overall, the diagnosis of varicose veins in the lower extremities is relatively easy.