摘要化脓性脑膜脑炎是一种临床表现较严重、诊治耗费较大、预后较差的颅内感染性疾病，早期诊断和积极治疗有助于改善疾病预后。明确化脓性脑膜脑炎急性期的内源性或外源性致病因素、流行病学和病原菌特征、临床表现和分类、影像学改变及实验室特点，有利于对该疾病的准确诊断和有效治疗，并提高临床诊治水平，对患者的预后至关重要。

abstractsSuppurative meningoencephalitis is the kind of intracranial infectious disease which exhibits comparatively more severe clinical manifestations, more expensive diagnostic and treatment costs and poorer prognosis. Early diagnosis and effective treatment are essential for better improvement of disease prognosis. Clear identification of intrinsic and extrinsic factors causing the acute phase of suppurative meningoencephalitis, as well as its epidemiological and pathogenic characteristics, clinical manifestations and classifications, imaging features and laboratory tests explanations, may contribute greatly to the diagnostic correctness and treatment efficacy, thus promoting diagnostics and medical treatment of this disease which remains ultimately critical to patients′ prognosis.