对193例乙脑患者进行流行病学及临床特点统计分析,结果表明病例集中在每年7,8两月,占发病数86.5％,年龄>12岁131例,占发病数的68％,农村患者126例,占65.3％,1994年和1998年发病数高于其它年份数倍,说明本地区乙脑每4～5年有一次大流行。临床以高热,惊厥,意识障碍为主要表现。脑实质损害有颅神经瘫,肢瘫,精神行为异常,主要合并症以呼吸衰竭最多,为主要死因。 Epidemiological and clinical features of 193 cases of Japanese encephalitis were statistically analyzed. The results showed that the cases were concentrated in 7,8 months per year, accounting for 86.5% of cases, 131 cases were aged> 12 years old, accounting for 68% of the cases. Rural patients 126 cases, accounting for 65.3%. The incidence in 1994 and 1998 was several times higher than that in other years, indicating that there was a pandemic every 4-5 years in JE in the region. Clinical high fever, convulsions, disturbance of consciousness as the main performance. Brain parenchymal damage cranial nerve paralysis, limb paralysis, mental disorders, the main complication to respiratory failure, the main cause of death.