Objective The intent of the research is to probe the methods and feasibilities of speech therapy to those patients who have marginal velophargngeal insufficiency after operation. Methods By means of research of samples, 15 patients with language handicaps suffered from concrete phonemic problems and sifuafims of velopharygneal closure were selected to take the pronunciation training according to their distinct pronunciation problems. Results The research results demonstrated that each patient can articulate consonant accurately and degree of clarity of pronunciation had increased from 49.53% to 95.38% on average. Conclusion Patients with language handicaps suffered from concrete phonemic problems and sifuafims of velopharygneal closure, through addressed training, reinforce the muscle of soft palate, collect the undesirable habit of pronunciation. They finally master the articulation skill and achieve a normal level of articulation.
