The causes of varicose veins may be related to family heredity, prolonged standing, overweight, etc.; in terms of treatment the main ones are general treatment, physical therapy, surgery, etc. 1. Causes of varicose veins: Varicose veins are often hereditary in family, which may lead to varicose veins in offspring due to hereditary factors; in addition, prolonged standing due to occupational factors or excessive obesity and overweight may lead to increase in pressure in veins of lower limbs, which may induce varicose veins. 2. Treatment of varicose veins: general treatment for varicose veins, such as wearing compression stockings, avoiding prolonged standing or sitting, elevating the lower limbs when lying down, which is good for the venous return of the lower limbs and relieving the varicose veins; physical therapy, mainly laser therapy; vein ligation, phlebectomy, etc., if necessary. When the symptoms of varicose veins appear, attention should be paid to them, consult a doctor as soon as possible, diagnose the extent of the disease, and then follow the doctor’s instructions for treatment and conditioning.