One year and seven months old babies can not speak, may be related to genetic factors, hearing factors, intellectual factors and other factors, can be given guidance education, hearing intervention, special education and other ways to ease. 1. guidance education: for one year and seven months of the baby, still can not speak may be related to genetic factors. You should communicate with your baby more often, play games with your baby, promote your child’s language development, and induce and guide your baby to speak in a timely manner. 2. Hearing intervention: some one year and seven months old children can not speak, may be related to hearing impairment. It is recommended to cooperate with the doctor for hearing screening in time, and give hearing aids or cochlear implants and other treatments if necessary, so as not to affect the baby’s speech development function. 3. special education: if a year old seven months baby can not speak may be cerebral palsy and other intellectual disabilities, need to seek timely medical treatment, if necessary, in special rehabilitation institutions, special education and rehabilitation treatment, such as medical treatment, rehabilitation, education, counseling, etc., to alleviate the phenomenon of the baby can not speak. One year and seven months old baby will not speak, it is recommended to consult a doctor in a timely manner, cooperate with the doctor to clarify the cause, and then do the appropriate examination and treatment.