An inflammatory bowel disease that causes inflammation and ulcers in the digestive tract is referred to as ulcerative colitis. It affects the innermost lining of the large intestine. There are several types of ulcerative colitis such as ulcerative proctitis, proctosigmoiditis, left-sided colitis, and pancolitis. Its symptoms usually develop over time. Diet, stress, and immune system malfunction are a few of its likely causes. Ulcerative colitis can be diagnosed by endoscopic procedures such as colonoscopy and flexible sigmoidoscopy. There are various treatment options for ulcerative colitis such as anti-inflammatory drugs, immune system suppressors, biologics and surgery. This book brings forth some of the most innovative concepts and elucidates the unexplored aspects of ulcerative colitis disease. Its aim is to present researches that have transformed this discipline and aided its advancement. This book will serve as a reference to a broad spectrum of readers.