Children who talk late need to be actively treated and trained according to the specific causes, such as short tongue tie, hearing impairment, mental retardation, etc., which need to be targeted for the cause of the treatment. 1. Short tongue tie: In this case, the tongue can be stretched out and retracted under the guidance of the doctor, and if there is no significant improvement, it is necessary to carry out tongue tie repair surgery and other treatments in a timely manner. 2. Hearing impairment: due to hearing problems, it may affect the speech, and thus late speech occurs, it is recommended to go to the hospital in time to see a doctor, you can wear a hearing aid, or use a cochlear implant if the symptoms are serious. 3. Mental retardation: If the child is mentally retarded, it may affect the speech center of the brain, resulting in late speech. It is recommended to carry out cognitive training such as playing games under the guidance of the doctor, which can gradually restore the child’s language function. It is recommended to consult a doctor for a clear diagnosis and follow the doctor’s instructions for targeted treatment to avoid delayed treatment.