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Introduction The correction of concealed penis requires challenging surgical techniques. We describe a novel technique involving inner preputial skin substitution after degloving through a ventral approach that allows sufficient penile skin coverage and evaluated the efficacy and safety of our technique. Methods From February 2009 to March 2009, 12 boys with concealed penises underwent correction via our novel technique. We administered a questionnaire about penile size, morphology, and voiding status to parents to evaluate their satisfaction with the results. Results The mean age of patients at the time of operation was 4.71 ± 4.01 years, and the mean duration of follow-up was 5.11 ± 1.45 months. Parental satisfaction grades (0 to 4) concerning penile size increased from 1.00 ± 1.04 to 2.83 ± 0.94 (p = 0.002) after surgery, penile morphology from 1.00 ± 0.95 to 3.00 ± 0.85 (p = 0.001), and voiding status from 1.08 ± 1.00 to 3.33 ± 0.78 (p < 0.001) at the last follow-up visit. The parental satisfaction rates regarding postoperative changes in size and morphology were 83.3 and 91.7%, respectively. Nine parents (75%) said they would recommend the surgery to others. There were no complications, including postoperative hematoma, infection, and tissue necrosis. Conclusion Our method of correcting concealed penis was demonstrated to be technically feasible and safe. It provides a good cosmetic appearance and excellent parental satisfaction ratings regarding size, morphology, and voiding function.