Submucous cleft palate (SCP) is a relatively rare subtype of cleft palates with a prevalence of 1:1250-1:1:6000, and it shows ambigous clinical characteristics which consist of bified uvula, midline soft palate muscle separation, and a notch in the posterior hard palate margin. The diagnosis of SCP is not easy, because early detection of clinical signs is scarcely achieved. As a result, surgical repair of SCP might be delayed, and velopharyngeal insufficiency can be persistent for a long time. The surgical treatment of SCP includes an intravelar veloplasty, which aims to uniting the levator veli palatini muscle, and elongation of the soft palate. We experienced a case of SCP in a 4-year-old patient who underwent intravelar veloplasty for surgical repair, and showed no complications. In this case report, authors present surgical design, and technique for SCP repair using intravelar veloplasty with literature review.