After varicose vein surgery, the patient needs to take some drugs selectively according to the patient’s condition, as follows: 1, for reducing and preventing the occurrence of deep vein thrombosis can be selective oral anticoagulant drugs, such as rivaroxaban, dabigatran or warfarin, the specific dosage according to the patient’s weight and the patient’s condition to decide, pay attention to monitor the changes in the coagulation mechanism. 2, anti-platelet drugs, such as bai aspirin 3, according to whether the patient has swelling of the limbs and lower limb venous stasis after varicose surgery can choose calcium hydroxybenzene sulfonate capsules or mai zhi ling and other drugs for oral administration; 4, for patients with saphenous nerve injury, need to take oral methylcobalamin tablets, the main component is vitamin B12, to reduce the saphenous nerve injury after the occurrence of limb sensory The main ingredient is vitamin B12 to reduce the abnormal sensory function of the limbs after saphenous nerve injury.