Three-year-old baby speech suddenly stuttered may be stage stuttering, imitation of others, nervous and afraid, etc., you can let the baby slow down the speed of speech, correct the baby’s imitation of the behavior, soothe the baby’s emotions, and so on. 1. Stage stuttering: babies at the age of three years old is a period of rapid development of thinking, there may be language ability can not keep up with the speed of thinking, the performance of stage stuttering. Generally with the development of language will gradually improve, parents can also guide the baby to slow down the speed of speech, try to complete the sentence. 2. Imitation of others: At the age of three, babies often imitate the speech movements of adults. If people around them have symptoms of stuttering, babies may also imitate others and stutter. Parents should correct the baby’s imitation behavior in time, communicate with the baby more often, and exercise its language ability. 3. Nervousness and fear: If the baby is too nervous and afraid, he or she may stutter. Parents should promptly calm the baby’s emotions, encourage the baby, help the baby to divert its attention, the symptoms will also be relieved a lot. If the baby stuttering phenomenon persists, there may be developmental abnormalities, to the hospital in time to receive standardized treatment.