The so-called bulging tendons on the legs are not tendons or sinews of this kind of tissue, but superficial veins, and this symptom is called varicose veins, a very common disease. This symptom is called varicose veins and it is a very common disease. It is mainly seen in people who stand for a long time, and also in people who have poor functioning of deep veins in the lower limbs. If you suffer from varicose veins, it is recommended to reduce sedentary or standing for a long time, to combine work and rest, and to do appropriate calf muscle exercise, which can promote venous reflux, and then you can wear compression stockings, to medical equipment to buy a lower limb special prevention of varicose veins compression stockings, in the night time to sleep can be appropriate elevation of the affected limbs, it will be conducive to the elimination of swelling, and is conducive to the alleviation of varicose veins. If the varicose veins are more serious and even lead to localized ulcers, it is important to check the function of the deep veins, and ultimately surgical treatment is needed to extract the superficial veins, such as the great saphenous vein, and the varicose veins will be treated fundamentally.