Surgical treatment of peritoneal carcinomatosis with curative intent involves the resection of all macroscopic malignant tissue and the treatment of microscopic residual tissue with local chemotherapy. Intraperitoneal chemotherapy is efficient only when associated with hyperthermia. This article details the technical aspect of intraperitoneal chemohyperthermia. These techniques involve specific and important features. At these conditions, peritoneal carcinomatosis can be cured in two-thirds of cases.