CT is useful for lower left abdominal pain. CT can reflect the internal structure of the human body more clearly to understand the location and nature of the lesion, and it also has a certain significance in the screening of tumors. Lower left abdominal pain can be caused by a variety of factors, including improper diet, intestinal inflammation, tumors, and ureteral stones. Examination using CT can help to clarify the cause of abdominal pain so that the appropriate treatment can be chosen. After treatment, another CT examination of the left lower abdomen can also help to understand the regression of the disease. If you have left lower abdominal pain, you should go to the hospital in time, cooperate with the doctor’s examination program, and do not take it lightly, so as not to delay the condition.