For men with small stomach cramps, there are two common situations: 1. Consider infection. Most common urinary tract infections manifest as frequent urination, painful urination, or even the appearance of meatus hematuria, which can also be combined with small stomach cramps. Check the urine routine, urine tests suggesting abnormal white blood cell and bacterial counts, the diagnosis of infection can be clarified and oral medication can be given. The actual fact is that you can find a lot of people who have been in the business for a long time. At this time, a urinalysis should be done, and a clear diagnosis can be made with elevated red blood cell count in urine, ultrasound suggesting hydronephrosis, ureteral dilatation in the upper ureter, and ureteral stones can be seen.