急性无菌性脑膜炎或称良性淋巴细胞脑膜炎,是一种病因众多的综合征,其临床特征是头痛、发热、恶心,伴有脑膜刺激症,脑脊液细胞数增多而以淋巴细胞为主,病程约为一周并能自愈.系Wallgren氏首先描述本综合征并加以命名(当时是以资与非麻痹型脊髓灰质炎相区别,现今已把后者包括在本综合征内).近年来,愈来愈多认为急性无菌性脑膜炎与病毒感染有关,而其中尤以与肠病毒的关系最切. Acute aseptic meningitis or benign lymphocytic meningitis, is a syndrome of many causes, the clinical features of headache, fever, nausea, associated with meningeal irritation, increased number of cerebrospinal fluid and lymphocytes, The course of the disease is about a week and can be self-healing. Department of Wallgren first described the syndrome and named (at the time of the capital and non-paralytic polio phase, the latter has been included in the syndrome now.) In recent years , More and more people think that acute aseptic meningitis is related to virus infection, especially among them, the relationship with enterovirus is the most important.