After varicose vein surgery, attention needs to be paid to prevent complications, especially deep vein thrombosis. Post-operative precautions for varicose veins are as follows: 1. Rest in bed with the affected limb elevated 30 degrees to promote venous blood return. If there is no abnormality 24-48 hours after surgery, patients should be encouraged to get out of bed. 2. Remove the bandage after 2 days of compression bandaging, after that, insist on wearing medical elastic stockings for 3-6 months. Observe for complications such as local bleeding, infection and thrombophlebitis. Observe the surgical incision for signs of infection such as redness, swelling, heat and pain and exudation. 3.It is recommended to insist on wearing medical elastic stockings daily for 3-6 months after removing the bandages, and take them off at night when resting. 4. When resting, elevate the affected limb as much as possible and avoid standing or sitting for a long time. Do not cross your knees for too long when sitting, so as not to compress the popliteal venous reflux. 5, patients with chronic ulcers, should strengthen the change of medicine, the application of elastic bandage leg protection. 6, adhere to exercise, avoid obesity; develop good diet and bowel habits, avoid spicy and irritating food, eat more fresh vegetables and fruits, keep bowel movements smooth; avoid the use of too tight belt and tight clothing. The post-operative effect of varicose veins also depends on the patient’s own maintenance, so attention should be paid to the above.