It includes the color of the cerebrospinal fluid, the Pan’s test, the cell count of the cerebrospinal fluid, specifically the white blood cell count, the red blood cell count, the white blood cell count including the polymorphonuclear cell count and the mononuclear cell count, as well as the polymorphonuclear cell ratio and the mononuclear cell ratio. After a lumbar puncture is performed to extract cerebrospinal fluid, a routine examination of cerebrospinal fluid can be done. The routine examination of cerebrospinal fluid can reflect a series of problems, such as the color of the cerebrospinal fluid, whether it is bloody, inflammatory or normal, and the cell count and cell classification can also reflect whether the cerebrospinal fluid is inflammatory or bloody. When the red blood cell count is significantly higher than normal, the cerebrospinal fluid is considered to be hemorrhagic; when the white blood cell count is significantly higher than normal and the percentage of multinucleated cells is more than 50%, the cerebrospinal fluid can almost be determined to be an inflammatory cerebrospinal fluid specimen.