Intraperitoneal hyperthermic perfusion(IPHP) is gaining popularity in the world as a method of prevention and treatment of peritoneal metastasis following gatrointestinal cancer. The procedure presents significant problems to the anesthegiologist with regard to tempera- ture control, fluid and electrolyte balance, acid-base change and postoperative care. During IPHP, there is a potential for heat gain from the peritoneal cavity. Several workers have reported a significant increase in core temperature. Therefore, it is true that accurate monitoring of temperature is essential. We studied that acid-base balance, electrolyte balance, level of blood suger following core temperature change in Intraperitoneal Hyperthermo-chemotherapeutic Perfusion patients.