If your baby is 2 years old and still can’t talk, it may be caused by late language development, autism, hearing impairment and other factors. 1. Late language development: the development of each child is different, some children may have late language development, normal intellectual development, vocal cords and hearing does not have obstacles, may be late language development, parents should be more with the child for speech practice. 2. Autism: It may be related to genetic and neurological developmental abnormalities, which may lead to speech disorders in children, who are still unable to speak at the age of two, and whose speech development is delayed, or even not able to develop, and is far worse than that of their peers. 3. Hearing impairment: it may be related to heredity, inner ear damage, ear infections and other factors, due to the existence of hearing damage, not being able to hear other people speak, and at the age of two years can not speak normally. Baby 2 years old still can not speak, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.