Multiple sclerosis(MS) is a chronic inflammatory disease of the central nervous system,which leads to severe progressive neurologic dysfunction,such as blindness,paralysis and death.

• 多发性硬化是一种以脱髓鞘和轴索损伤为病理特征的慢性炎性疾病,可造成严重的神经功能障碍,近年来在中国的发病率有所上升。