Neoadjuvant intraperitoneal/systemic chemotherapy (NIPS) is a new bidirectional induction chemotherapy for treatment of PC from gastric cancer. The aim of NIPS is to induce a reduction of PC volume. Bidirectional means that NIPS could attack PC from both the peritoneal cavity and the subperitoneal blood vessels. Patients with good response to NIPS may undergo subsequent gastrectomy. The use of TS-ONE and IP taxane (paclitaxel/docetaxel) had been studied in phase I and II trials. Ischigami et al. reported 1-year survival rate of 78% and overall response rate of 56% using weekly intravenous and IP paclitaxel combined with TS-ONE. Fujiwara et al. reported 78% patients had negative peritoneal cytology after NIPS and 16 out of 18 patients (88.9%) underwent subsequent gastrectomy, with a MST of 24.6 months. No treatment-related mortality has been reported.