The baby is two years old and still can’t talk may be due to autism, speech delay, hearing impairment, etc. The cause of the disease is different, the treatment is different. It is recommended to go to the examination in time to find out the cause of the disease, and then symptomatic treatment. 1. Delayed language development: delayed language development is also the cause of the baby two years old will not speak, manifested in the inability to speak or can only pronounce a sound, speak back and forth reversal. Usually, the language development center of the child’s brain can be stimulated by acupuncture and trained by a speech therapist to check the rehabilitation training, which is more effective. 2. Hearing impairment: Hearing impairment can lead to the loss of the ability to learn language, so hearing impairment may also cause the inability to speak. It can be treated through the use of hearing aids, cochlear implants, and speech rehabilitation training, in order to achieve the purpose of letting the baby talk. 3. Autism: Autistic babies usually show the symptoms of not talking at the age of two, and may also fail to complete instruction plans and actions, have stereotypical behaviors, and have no interaction with parents. Interventions can be made through rehabilitation training, such as intelligence training, manipulative skills training, etc., psychotherapy, such as sand tray therapy, etc., and medication, such as risperidone oral solution and aripiprazole oral solution. In addition, it may also be caused by mental retardation, abnormal tongue tie development, etc. It is recommended to go to the hospital in time to find out the cause and make early intervention.