The start of neurotologic surgery using endoscope dates back to the 1960s, but there has been much debates as to whether or not to replace operative microscope. Therefore, endoscope has been mainly used for diagnostic purposes for a while. Recently, with the increasing interest in minimally invasive surgery, various surgical procedures have been tried in the field of neurotology and their success has been reported. In this review, cases of vestibular schwannoma, facial nerve decompression, glomus tumor, petrous apex cholesterol granuloma, venous malformations of the facial nerve, and perilymph fistula are summarized.