Background: to conclude the clinical experience of the disposable circumcision suture device (DCSD), to describe the morphological classification of the penile frenulum in Chinese's people, to find a way to solve the malposition of the penile frenulum in the surgery with disposable circumcision suture deviceMethods: From November 2013 to April 2021, there were 2265 consecutive Chinese patients with phimosis 367(16.2%) or redundant prepuce 1898 (83.8%) who underwent circumcision in our hospital. Each patient’s penile frenulum morphological feature was recorded and grouped according to the intraoperative photo documentation. There were four type of frenulum feature: typeⅠ, the middle raphe, a middle line longitudinal from the glan to the scrotal raphe; typeⅡ,the middle double raphe or middle band; type Ⅲ, the diamond or lozenge-shaped raphe; type Ⅳ was marked by the some hyperpigmentation zone. We also reported the convexity frenulum cutting site(CFCS) which could be palpated that a small rounded eminence tissue at the ventral prepuce middle raphe during the prodedure. Other data recorded were operation time, type of anesthesia, intra-operative blood loss, incision healing time, complications, mainly focus on the frenulum distortion, patient satisfaction. RESULTS: According to our morphological classification there were 842 (37.2%) cases in type Ⅰ, 258 (11.4%) cases in type Ⅱ; 107 (4.7%) cases in typeⅢA, 885 (39.1%) cases in type ⅢB and 173 (7.6%) cases in type Ⅳ. Following the classification treatment principle reported in the text no notorious frenulum deviation was observed after the initial 100 cases. Conclusion: The morphological classification of the penile frenulum incombinating with the anatomy marker of CFCS will facilitate accurate identification of the frenulum location, better define its right position, and provide a guide for the DCSD surgery for the individualized patients. The method described in this study could improve the success of the circumcision procedures, lower the related complication and is important to make the device acceptable and popular.