Cerebral dysplasia is also known as cerebral retardation syndrome, the main symptoms of patients are mental retardation, as well as motor disorders, postural abnormalities and language disorders, etc. The specific performance is as follows: 1, mental retardation: the main performance of patients with cerebral dysplasia is mental retardation, 1/2 of the patients have mild or moderate mental deficiency, 1/4 of the patients have severe mental deficiency, which is manifested as low judgment and memory 2, motor disorders: compared with their normally developing peers, patients with cerebral dysplasia have low motor ability and deviations in motor self-control. Mild motor disorders are manifested as inflexible or clumsy movements of the hands and feet, and in severe cases, they can not walk on their feet or grasp things with both hands, or even unable to stand, sit up or chew and swallow normally; 3, postural abnormalities: patients with cerebral dysplasia may have various postural abnormalities, some patients have awkward posture, left and right asymmetry and poor stability when moving or at rest, and in severe cases, the head can not be maintained in a straight and centered position like normal people 4, language disorder: language disorder is also a common symptom of cerebral dysplasia, some patients will be accompanied by different degrees of expression difficulties or language difficulties, some patients may be manifested as slurred pronunciation or stuttering, some patients are manifested as aphasia. Cerebral dysplasia is associated with genetic factors, and may also be related to infection during pregnancy, poisoning, and inbreeding of parents, which may result in serious consequences of disability. Cerebral dysplasia is more difficult to treat and prevention is recommended.