Although the peritoneum is a rare site for a primary neoplasm, certain malignant neoplasms may arise from it. One is malignant mesothelioma, and another is serous papillary carcinoma of the peritoneum These primary peritoneal malignant neoplasms usually can diffuse involvement of the peritoneum In this report, we describe a case of papillary serous careinoma of peritoneum with a brief review.