Fecal Microbiota Transplantation and Analysis of Fecal Microbiome in IBD Patients

Inclusion Criteria: * 7 years old to 80 years old at start of trial * Inflammatory bowel disease such as ulcerative colitis, Crohn's disease, and Behcet's colitis * Patients who do not respond to the conventional treatments or who do not wish/not able to use one. * Patients who agree to participate in the trial after thorough explanation * Evidence of active disease Exclusion Criteria: * Patients whose CRP\<8, calprotectin\<200, and mucosal healing endoscopically (who are in stable state) * Patients whose symptom is due to other disease than IBD \_Patients with immunosuppressive disease * Patients who are clinically unstable such as massive hemorrhage or perforation * Patients with toxic megacolon, paralytic ileus, or symptomatic intestinal obstruction * Absolute neutrophil count (ANC) \<1.5 \*10\^9/L (1500/mm3) * Pregnant or under breast feeding * Patients enrolled in other clinical trials