Cerebrospinal fluid identification of three types of encephalitis, the three most common types of encephalitis in clinical practice are septic meningitis, tuberculous meningitis, and viral meningitis. The identification of these three types of encephalitis is divided into pressure, protein, glucose, and chloride. In terms of pressure and protein, all three types of encephalitis were elevated, but the most pronounced elevation was in septic meningitis, followed by tuberculous meningitis, and then viral meningitis. In terms of glucose and chloride, both septic meningitis and tuberculous meningitis were decreased, whereas viral meningitis was largely within normal limits. In terms of white blood cell count, septic meningitis was significantly elevated and mostly neutrophilic, while tuberculous meningitis was also significantly elevated but mostly lymphocytic, and viral meningitis was also mostly lymphocytic.