There is a high probability that the veins are varicose veins, and varicose veins are mostly complications of deep vein valve insufficiency or secondary diseases of deep vein thrombosis. The course of disease is generally long, and it can occur in youth, but the incidence rate is the highest in middle-aged and young people.
The prominent reason is that the venous valve function is not good. If the blood return is not good, the blood vessels will swell, and the blood can't return, and they are all blocked together. The mainstream diagnosis and treatment method of varicose veins is "semiconductor laser minimally invasive atresia"