Children’s speech is not clear first of all to clarify the cause, targeted treatment and training, can be carried out hearing training, language training, pronunciation training and so on. Hearing impairment caused by unclear speech, organic lesions should first solve the problem, and then conduct hearing training, such as playing a movie; functional training for hearing training. Problems with the articulation organs should be treated first, followed by speech training and articulation training such as reading along. In addition, it is necessary to establish a good language environment for the child, so that the surrounding people speak clearly, so that the child will gradually speak clearly. Parents should pay attention to children’s unclear speech, go to the pediatrician in the hospital in a timely manner, identify the cause of the disease, and carry out pronunciation, speech, hearing and other training to slowly improve the situation.