A baby with high muscle tone may not necessarily have intellectual problems when he grows up, but it should be analyzed according to the baby’s age in months and whether there are other abnormalities in the development of the nervous system. Within three months of the baby due to a special period of time can show normal reflex behavior, or when the baby emotional stress, touch sensitivity may cause high muscle tone, these are normal phenomena, grow up intelligence is generally not a problem. Ischemic and hypoxic encephalopathy or abnormal development of brain structure, etc., may cause high muscle tone in babies, accompanied by neurological damage, such as movement disorders, which can seriously lead to intellectual development, language and other functions, and these cases may have problems with the baby’s intelligence when he grows up. When you find that your baby has high muscle tone, you must go to a professional specialist hospital for further examination and comprehensive assessment, so as to achieve early detection and early treatment.