The best way to teach a one and a half year old baby is to play with him. Teaching language to your baby during the process of playing makes your baby feel happy and is more effective at the same time. One and a half year old babies can play parent-child games, such as the baby is happy in the bath, when the adult can use this time to teach the baby to talk, which is more beneficial to the development of the baby’s language. In addition, you can train your baby to cooperate with adults and exercise your baby’s language skills, or let your baby remember the names of the little ones he plays with, which is also a way to exercise your baby’s language skills. One and a half year old baby, to help him build self-confidence. He will be happy when praised and will consolidate this behavior as a habit. If he is criticized, he will become unhappy. So mom and dad should use this psychology of the child to help him build confidence, develop good habits and change bad habits, but they should also be careful not to let him get overly frustrated. When frustrated, babies often throw tantrums as well.