The propose of this study is to confirm safety and efficacy of Apatinib monotherapy in patients with advanced cholangiocarcinoma.

Inclusion Criteria:

1. Ages 18-65 years;
2. Eastern Cooperative Oncology Group performance score (ECOG): 0-2;
3. Estimated survival time > 3 months;
4. Patients with recurrent or metastatic cholangiocarcinoma with histologic or cytological diagnosis;
5. Previous first-line GP programmes failed, or were not able to withstand first-line treatment;
6. At least one measurable lesion [spiral CT scan ≥ 10 mm (CT scan thickness not greater than 5mm)], Measurable lesions were not treated with radiotherapy or other topical treatments unless progress was achieved after treatment was completed (RECIST version 1.1);
7. Adequate hepatic, renal, heart, and hematologic functions: ANC ≥ 1.5×109/L, PLT ≥ 75×109/L, HB ≥ 8 g/dL,ALB ≥2.8g/dL，TBIL ≤ 3×ULN, ALT or AST≤ 2.5×ULN (or ≤ 5×ULN in patients with liver metastases), Cr clearance ≥ 50 mL/min;Thyroid function is normal；
8. No serious history of drug allergy；
9. Subjects volunteered for the study. Sign informed consent, good compliance, with follow-up.

Exclusion Criteria:

1. Patients have received targeted therapy；
2. Patients with contraindications (active bleeding, ulcers, intestinal perforation, intestinal obstruction, within 30 days after major surgery, uncontrolled high blood pressure medication, III-IV level cardiac insufficiency, severe liver and kidney dysfunction)；
3. Coagulation dysfunction (INR> 1.5, PT> ULN +4s or APTT> 1.5 ULN), with bleeding tendency or ongoing thrombolysis or anti-blood coagulation treatment；
4. Urine routine showed that urine protein ≥++ or the urine protein in 24 hours>1.0 g；
5. Pregnant or lactating women；
6. History of other malignancy within 5 years except for effectively treated skin basal cell carcinoma, cutaneous squamous cell carcinoma and / or effectively excised orthotopic cervical and / or breast cancer;
7. The researchers judged other conditions that might affect clinical research and the outcome of the study.