The common symptoms of demyelinating lesions of the central nervous system include multiple sclerosis, optic neuromyelitis optica, acute disseminated encephalomyelitis optica, cerebral leukodystrophy, etc. The common symptoms include the following: 1. Ataxia, patients may have abnormal gait and chanting-like language. 4. ocular symptoms, patients may show decreased visual acuity and nystagmus. 5. psychiatric symptoms, including anxiety, depression, indifferent expression, strong crying, strong laughing, etc. 6. cognitive decline, patients may show memory, attention loss or even dementia. In addition, symptoms such as insomnia, frequent urination, urinary incontinence and constipation may also occur.