Meningitis is an infectious lesion of the central nervous system caused by various pathogens infecting the meninges. For infectious diseases meningitis is more serious, in the clinical characteristics of respiration will appear typical tidal respiration, both changes in respiratory rhythm, and changes in respiratory amplitude, refers to the respiration from shallow and slow gradually become deep and fast, and then from deep and fast to shallow and slow, followed by a period of respiratory pause, and so on and so forth, such as the tide rises and falls, it is the respiratory center of the excitability of the performance of the decrease. It is seen in diseases of the respiratory central nervous system, such as encephalitis, meningitis, increased intracranial pressure and acidosis. For those with this respiratory characteristic, it is necessary to go to the hospital to seek prompt medical attention and seek relevant treatment.