患男,3.5岁。因间断发热1月余,步态不稳3d,抽搐1次入院。入院前1月无诱因出现抽搐1次,呈全身阵挛性发作,不伴发热,抽后精神可,无咳嗽,未予诊治。20d前出现发热,体温在37.5～38℃之间,伴有单声咳嗽,历时11d时精神萎靡,食纳差。实验室检查:脑脊液白细胞数60×10~6/L,总蛋白200mg/L,糖3.91mmol/L,氯化物116mmol/L。在外院诊断为结核性脑膜炎(早期) Suffering from male, 3.5 years old. More than 1 month due to intermittent fever, gait instability 3d, convulsions 1 admission. Pre-admission January without inducing convulsions 1 times, showed generalized clonic seizures, without fever, pumping spirit can be, no cough, no diagnosis and treatment. 20d before the onset of fever, body temperature between 37.5 ~ 38 ℃, accompanied by a single cough, lasted 11d listlessness, poor appetite. Laboratory tests: cerebrospinal fluid leukocyte 60 × 10 ~ 6 / L, total protein 200mg / L, sugar 3.91mmol / L, chloride 116mmol / L. In the outer hospital diagnosed as tuberculous meningitis (early)