Simple varicose veins of the lower extremities are only located in the superficial veins of the lower extremities, which appear elongated and sinuous, the onset of which may be due to venous valve defects, mostly occurring in people who are permanently engaged in standing work or manual labor. Clinical manifestations: The clinical manifestations caused by simple superficial varicose veins of the lower extremities are generally not serious, and in the early stage of the lesion are mainly conscious symptoms, which are manifested as dilated and tortuous superficial veins of the lower extremities. pruritus, hyperpigmentation, skin and subcutaneous tissue, and even eczema and ulcer formation. The diagnosis of this disease is not difficult based on the manifestations and obvious morphological features of the veins of the lower extremities and further understanding of the function of the superficial veins, the deep venous reflux of the lower extremities and the function of the valves of the communication veins. Treatment: There are two common treatments: a. Non-surgical therapy (compression therapy through stockings) is suitable for: 1. limited lesions, mild and asymptomatic; 2. pregnant women; 3. poor general condition, substantial lesions of important vital organs, and estimated very poor tolerance for surgery. The treatment should be firstly rest, elevate the affected limb, avoid standing for a long time, wear elastic stockings or elastic bandage on the affected limb, the pressure of the bandage should be high on the distal side and low on the proximal side to facilitate blood reflux, so that the varicose vein is atrophied. Second, surgical treatment: It is the fundamental way to deal with varicose veins of lower limbs. Patients who are identified as having varicose veins in lower limbs and who are symptomatic should be operated as long as there are no contraindications (such as old age and frailty, very poor surgical tolerance, etc.).