Abstract: Peritoneal carcinomatosis（PC）is a type of localized tumor that spreads on the peritoneal surface is mostly a peritoneal metastasis of gastrointestinal tumors.PC is considered to be an end-stage disease，and palliative treatment is often used.The combination of cytoreductive surgery（CRS），intraoperative or postoperative early hyperthermic intraperitoneal chemotherapy（HIPEC）and perioperative systemic chemotherapy is the current standard treatment for PC.The clinical effect of CRS and HIPEC can reduce the recurrence rate of peritoneal tumors and prolong the survival of patients.This article summarizes the application of peritoneal hyperthermic perfusion chemotherapy in peritoneal metastasis of gastrointestinal tumors.

Key words: hyperthermic intraperitoneal chemotherapy, gastrointestinal tumor, peritoneal carcinomatosis metastasis