Baking soda is generally not a cure for varicose veins of the lower extremities. Baking soda generally refers to sodium bicarbonate, which can fight gout, alkalize urine, neutralize excess stomach acid, etc., but it does not cure varicose veins of the lower extremities. Varicose veins of lower limbs can be treated conservatively, medically and surgically under the guidance of a doctor. 1. Conservative treatment: Varicose veins of lower limbs can be treated by taking rest, avoiding overwork, massaging the affected area or elevating the affected limbs to promote blood circulation and relieve the symptoms caused by varicose veins of lower limbs, keeping a relaxing and happy mood, and eating a light and easy-to-digest diet to relieve the symptoms. 2. Medication: If there are symptoms such as pain and swelling, and the symptoms are not obvious, you can use medicines such as Mazolin tablets under the guidance of doctor, avoiding overdose to avoid adverse consequences. 3. Surgery: If the condition of varicose veins of lower limbs worsens, and the symptoms of pain and swelling caused by varicose veins of lower limbs gradually increase and become obvious, surgery such as traffic vein ligation can also be taken under the guidance of the doctor to treat the condition. In case of varicose veins in lower limbs, you should avoid wearing tight clothes, avoid sitting and standing for a long time, and reduce sitting.