A Phase 3 Clinical Trials for Bowel Preparation for Colonoscopy

Inclusion Criteria: * Patients must provide written informed consent. * Male and female outpatients and inpatients aged: ≥19 * Patients BMI shoule be ≤ 30 Exclusion Criteria: * Patients with past history of severe constipation (requiring repeated use of laxatives/enema or physical intervention before resolution), known or suspected ileus, gastrointestinal obstruction, gastric retention, bowel perforation, toxic colitis or megacolon. * Patients with ongoing severe acute Inflammatory Bowel Disease. * Patients who have had previous significant gastrointestinal surgeries, including colonic resection, subtotal colectomy, abdominoperineal resection, defunctioning colostomy. * Pregnant women or pregnant women or pregnant women * Severe heart disease (cardiac failure (NYHA class 3 and 4)) * Acute coronary artery disease within 24 weeks before screening (an unstable angina pectoris, acute myocardial infarction), clinically significant arrhythmia, hypertrophic obstruction Cardiomyopathy, valvular disease, aortic and peripheral vascular diseases. * People who have hypersensitivity or allergies to clinical trial drug components.