Slurred words that is, slurred speech, for the cause of the occurrence of slurred speech, mainly divided into physiological as well as pathological factors, but children and adults are different, see the following analysis: a. Children 1, physiological reasons: children deliberately imitate other accents, or the wrong way of education, resulting in slurred speech, does not belong to organic lesions, need to be patient to correct pronunciation, with age, can generally be corrected; 2, pathological reasons: organic lesions of the oral cavity lead to slurred speech, such as cleft palate, tongue ligament is too short, etc., should promptly go to the dentistry surgery. 2. Pathological causes: Oral organic lesions leading to lisp, such as cleft palate, tongue tie too short, etc., should be promptly treated by surgery in dentistry. It may also be due to systemic diseases causing developmental delay and mental retardation, resulting in lisp, which is recommended for rehabilitation in special education schools. Second, adult adult lisp, if it appears suddenly, be alert to acute cerebrovascular disease, such as cerebral hemorrhage, cerebral infarction, etc. If patients gradually develop symptoms of lisp, they need to be ranked for brain tumors, or senile degenerative lesions, such as Parkinson’s, cerebellar ataxia, multiple sclerosis, dementia, etc., which may lead to lisp, accompanied by other symptoms, such as motor retardation, reduced expression, limb tremors, etc. Patients should not be overly anxious, they need to maintain a positive mindset and go to the hospital for appropriate treatment according to the doctor’s recommendations in order to solve the problem of lisp as soon as possible.