Born with thin blood vessels is generally related to heredity and individual development, this kind of thin blood vessels is not a pathological condition, the vast majority of them are a physiological condition, do not need to carry out further examination and treatment. But the blood vessels can be changed because of the acquired factors, the thin blood vessels can also be through long-term physical labor or physical exercise, so that the body’s oxygen consumption increases, which leads to an increase in the supply of oxygen to the arteries, arterial dilatation and the corresponding venous dilatation caused by the dilatation of blood vessels, which can be changed to the state of thin blood vessels. And after exercise the whole person’s state including immunity and health will be significantly improved, if there is no special disease, or should try to adhere to long-term exercise.