After saphenous varicose vein surgery, aspirin can be taken from one month to six months or even more than six months, specific should be accompanied by thrombosis to adjust the duration of medication. Saphenous varicose vein surgery is easy to combine with deep vein thrombosis, the high-risk group in the absence of obvious contraindications generally be warfarin, heparin and other drugs anticoagulant therapy. Oral aspirin after saphenous varicose vein surgery can reduce the risk of postoperative deep vein thrombosis. The duration of the medication should be adjusted according to the presence or absence of thrombosis. For patients with thrombosis, oral aspirin should be taken for at least six months, while for patients without thrombosis, aspirin should be taken for about one month. Clinical can be adjusted according to the actual situation of the patient, high-risk people can follow the doctor’s advice to moderate delay in the use of medication, such as the use of drugs after the appearance of rash, asthma, black stools should be promptly discontinued to consult the doctor, and the product for allergies and high risk of bleeding people should not be used.