Chronic colitis generally cannot cause groin pain. The main symptoms of chronic colitis are abdominal pain, diarrhea, pus and blood stools, constipation and diarrhea alternating episodes, mucus stools, etc. The number of diarrhea episodes can be as high as 3-4 times a day, or even more, and although it is easy to recurring abdominal pain, and the abdominal pain is sometimes heavy and sometimes light, and the location of the fixed or unfixed, it does not usually cause groin pain, and the symptoms of different types of chronic colitis may be different. Chronic colitis is related to pathogen infection, genetic factors, mental stress, intestinal immune dysfunction, unhealthy diet, etc. The disease progresses slowly and is chronic and long-term, if not treated in time there may be complications such as intestinal obstruction, rectal-anal lesions, cancer, fistulas, intestinal necrosis or perforation. In order to alleviate the condition, patients with chronic colitis need to actively cooperate with doctors for treatment, and those who have groin pain also need to go to the hospital in time to find the cause and solve the problem.