从医学上说,口吃属于功能性语言发声障碍症。功能性发声障碍症是指在无明显的发声器官器质性疾病的情况下,出现发声障碍,或仅有轻度的发声器官的改变而产生极严重的发声障碍,主要有功能性失音症、精神性发声障碍、口吃、男声女调、吐字不清、大舌头、声音嘶哑等。有关调查表明,我国的语言性疾病发病率为3％。这类患者都有很强烈的自卑 From a medical point of view, stuttering is a functional speech dysfunction. Functional dysphoric disorder refers to the absence of obvious organic sounder diseases, the occurrence of vocal dysfunction, or only slight changes in the sound organs and the very serious vocal dysfunction, there are mainly functional aphonia, Psychogenic dysphonia, stuttering, male voice, unclear articulation, big tongue, hoarse voice. The survey shows that the incidence of language disease in our country is 3%. Such patients have a very strong sense of inferiority