The baby may be caused by autism, disorders of the language center of the brain, congenital deafness, etc., and need to be given appropriate guidance or surgery for treatment. 1. Autism: If a two-year-old child suffers from autism, it will lead to the child’s reluctance to talk and communicate with the outside world. In this case, the child should be taken to the psychiatry department as soon as possible, and be given the correct behavioral guidance and other treatments under the guidance of the doctor. 2. Disorders of the language center of the brain: abnormalities of the language center of the brain may lead to the child at the age of two years can not speak, at this time we should take the child to the hospital as soon as possible for brain MRI and other tests, to rule out whether there is such a situation. 3. Deafness: If a two-year-old baby suffers from congenital deafness, it is easy to cause the child will not speak, this situation should take the child to the hospital as soon as possible to improve the hearing test, if it is determined that there is deafness, if necessary, can be given cochlear implants and other treatments. If the child is deaf, a cochlear implant can be given if necessary. In the meantime, the child should be taken to the hospital for regular checkups, so that problems can be found and handled at any time. If your child is still unable to speak at the age of two, you need to find out the cause of the problem in time, and give treatment according to the cause of the problem.