A child’s late speech may be related to the growing environment, slow language development, and disease factors. 1. Growing environment: If a child’s growing environment has too many kinds of languages or there is no one at home to guide the speech, it will cause the child to speak late. 2. Slow development of language: Slow development of language can cause children to speak late, which is a physiological factor. If the child’s hearing and intelligence are normal, no special treatment is needed. 3. Disease factors: If the child has a history of cerebral anoxia, traumatic brain injury, meningitis and other diseases, it may lead to late speech. If your child’s speech is late, you can go to a regular hospital to get a clear picture of the cause and get treatment under the doctor’s guidance.