For men with stabbing pain in the small abdomen, it is recommended to go to the hospital for further examination to clarify the possible causes: 1. Acute cystitis, which can cause stabbing pain in the small abdomen, accompanied by symptoms of urinary urgency, urinary frequency or blood in the eyes, requires further urinalysis or ultrasound examination of the bladder to clarify the presence of acute cystitis. 2. Ureteral stones, especially stones in the lower part of the ureter, can cause back pain or The pain is often severe and not clearly correlated with urination, and may be accompanied by symptoms such as urinary urgency or frequency, painful urination, etc. Ultrasound examination of the urinary system is needed to rule out the presence of stones. If you’re looking for a change, you need to go to the hospital for further detailed physical examination, and urological ultrasound, scrotal ultrasound and other examinations for further identification.