Objective To select an appropriate surgical procedure according to the different classification of concealed penis.Methods 122 patients with concealed penis underwent surgical treatment in our hospital from Mar.1998 to Jun.2012 were reviewed and analyzed.According to different pathological change of concealed penis,122 patients were classified into four types,phimosis type,fascia bands type,micropenile skin sleeve type and obesity type.Different surgical methods were reviewed respectively for their different classification.The phimosis type patients were mainly treated by relaxing the narrow prepuce ring,and penile dorsal Y-V plasty for inadequate penile skin.The fascia bands type patients by removing the dysgenic dartos fascia bands,the micropenile skin sleeve type patients by penile dorsal and ventral Y-V plasty and the serious obesity type patients by fixing the penile skin onto the lateral Buck’s fascia at the base of the penis.Results All patients with concealed penis were improved in appearance and accessibility after corresponding surgery.Conclusion The classification of the concealed penis patients is helpful to clinical diagnosis and surgical treatment selection.