After about four years of age, many children will have problems with abnormal sound formation and stuttering, in fact, the occurrence of these problems can be avoided. As long as we can strengthen the training of oral muscle sensitivity when the child is young, these problems can be effectively avoided. You can utilize the following game methods to help your child strengthen the strength of lips and tongue. Autistic (autism) children, most of the existence of unclear pronunciation, oral muscle sensitivity is not enough, also suitable for the following exercises: First, blowing exercises the power of the lips is an important key to pronunciation, to promote the power of the lips can be more to let the child practice blowing, such as blowing candles, blowing bubbles, blowing paper, blowing ping-pong, etc., the use of a number of interesting props to increase the child’s interest in practice. Second, tongue practice tongue is also the key to speak, therefore, when the tongue can not be successfully cocked, left and right movement, will not be able to successfully send out certain sounds, then you can stick the seaweed on the child’s lips, let the child lick the seaweed, to practice the action of the tongue cocked; you can also stick the seaweed in the lips left and right, to practice the tongue left and right movement. This kind of eating, interesting language games are the child’s favorite. Third, swallowing practice feeding complementary foods, not only can increase the child’s nutrition, in fact, eating complementary foods has more to promote the function of language development, because, swallowing can promote the coordination of oral muscles, increase the flexibility of the mouth. Fourth, brushing and massaging the oral cavity when brushing the teeth, while cleaning the mouth, brush and tongue when the muscles inside the mouth also has a massage and stimulation of the role of the development of muscles around the mouth will also have a clear help.