The so-called language barrier generally does not include children with mental retardation, autism and deafness. He is a special language barrier, which is mainly manifested in three forms.

The first type is dysarthria, which may be caused by some organic diseases, including too short tongue strap, that is, children's pronunciation is unclear, and the basic pronunciation has certain pronunciation difficulties, which is lower than that of children of the same age.

The second category is language expression disorder, which means that his pronunciation and language understanding may be fine, but his language expression level is lower than that of children of the same age. This may also be because there are language barriers in the usual way of communicating with children or taking care of children from generation to generation. It is necessary to adjust the way of interaction with children, usually communicate with children, use more languages that children can understand and accept, and then communicate with children.

The third category is language comprehension disorder. The language expression ability of children with language comprehension disorder is generally lower than that of children of the same age.

Therefore, you can take your child to the hospital for examination first, and go to the children's health care department, stomatology department, neurology department and otology department for examination to rule out the cause. If there are corresponding problems, it is necessary to treat them according to the doctor's advice in time. You can also go to a language training institution to conduct a language test, and then let a professional language training teacher formulate a training plan suitable for your child's situation.