Lower extremity varicose vein surgery usually requires hospitalization, mostly for about 3-5 days, because varicose vein surgery requires pre-operative physical examination, and surgical evaluation, and post-operative observation for a period of time, hospitalization can be timely observation of the patient’s body, and can be effective and timely treatment, reducing the risk of surgery. Varicose veins of the lower limbs are relatively common diseases, usually seen in people who often stand or engage in prolonged physical labor. Although it does not endanger the patient’s life, it may cause serious consequences such as venous thrombosis or calf ulcers, so it should be hospitalized in a timely manner for surgical treatment. Patients with mild symptoms are usually hospitalized for about 3-5 days after the surgery and can be discharged from the hospital, but if the symptoms are more severe the hospitalization time may increase. Hospitalization is recommended after varicose vein surgery not only for good recovery but also to reduce the risks associated with the surgery.