对研究多发性硬化的本质来说 ,了解其病程、类型和诊断标准等能达到统一至关重要。结合文献和我们临床实践提出了北京地区多发性硬化研究组的诊断和分类标准 ,供国内同道们研究、参考 To study the nature of multiple sclerosis, to understand the course, type and diagnostic criteria to achieve unity is crucial. Combined with the literature and our clinical practice put forward Beijing multiple sclerosis research group diagnosis and classification criteria for domestic fellow research, reference