A one and a half year old baby who still can’t talk should first rule out the following possibilities. One, rule out the problem of vocal cords, if the baby can cry and can make sounds, this means that he is not a deaf child. Second, the problem of hearing, if the outside world is disturbed, the baby can be affected, indicating that his hearing is not a problem. Third, the comprehension, if parents say anything he can hear, and also can read the face, let him do what he can also perform, it means that his comprehension, intelligence is not a problem. Fourth, we need to look at the baby’s tongue tie to see if there is a short tongue tie that causes the baby to speak less smoothly. If it is too short, you need to consult a dentist to cut the tongue tie. Because human speech expression first of all will receive, which is hearing. Second, to be able to think, think, this is called comprehension. Third, to say it, this is called the ability to express. Fourth, there is the presence of the organ of expression. If these aspects are not a problem, some children speak is on the late side of some, usually parents around the mother and father should talk to him more, induced to say, do not have loud criticism, yelling, which will also cause the baby’s psychological pressure. The above questions are for reference only, the specific medication, treatment, please subject to the guidance of the doctor’s interview.