The stuttering of 3-year-old babies may be caused with physiological factors, psychological tension factors, short tongue tie, etc. It can be corrected by general treatment, psychological treatment and surgical treatment. 1. Physiological reasons: about 3 years old baby, this age of vocabulary development is rapid, the baby’s expression ability is poor, if the eagerness to express, there will be a stuttering phenomenon, which is a normal phenomenon. Parents should not worry, with age, this phenomenon will disappear on its own. 2. Psychological tension factor: when the 3-year-old baby suddenly change the environment, will be prone to psychological tension, can not express the language well, so that the organization of the language ability to decline, resulting in a stuttering situation. At this time parents need to baby for psychological guidance, relieve tension, let the baby relax, can effectively relieve the symptoms of speech stuttering. 3. Tongue tie is too short: when the 3-year-old baby tongue tie is too short, it will be easy to restrict the free movement of the tongue, so that the tip of the tongue can not extend to the outside of the lips, the tongue can not be flexibly contracted, the stuttering situation. This can be corrected by revision surgery, followed by speech rehabilitation training. 3-year-old baby speech stuttering to rule out physiological causes, parents should take their babies to the hospital in a timely manner to guide the corrective treatment, to avoid the formation of habits.