Patients with previous oxaliplatin based adjuvant chemotherapy within 1 Year
Completely or partially bowel obstruction
Presence of peripheral neuropathy (CTC\>grade I)
Severe mental disorder
CNS metastasis
With other severe disease: uncontrolled active infectious disease, uncontrolled hypertension, heart infarction within 1 year, uncontrolled high-risk arrhythmia, unstable angina
With other malignant disease previously or concurrently
Receive other anti-tumor treatment
Pregnant or lactating women, or women of child bearing potential without contraceptive method.