Women who have a small abdomen to the urethra pain, the possible causes are as follows: 1, acute cystitis can appear small abdomen obvious distension, and accompanied by urination pain to the urethra acute radiation or extension, accompanied by urinary frequency, urgency, lumbar pain, or fever history, need to carry out routine urinalysis, such as urine routine examination can be seen in the more leukocytes or bacterial count is obviously elevated, is suggestive of the existence of urinary tract infection, need to be actively anti-infective treatment. 2, urinary stones, especially the lower ureteral stones or bladder stones, there can be obvious urinary tract irritation symptoms, manifested as abdominal distension and pain, and pain to the urethra or to the labia area radiation, at the same time, accompanied by obvious gastrointestinal symptoms or lumbar pain, such as some patients with nausea, vomiting, can not drink water, and some patients with strong pain, unbearable, passive position or expression of pain, and the pain is very strong, and the pain is very strong. Passive position or expression of pain, need to carry out ultrasound examination of the urinary system, if confirmed the existence of stones, then need to carry out extracorporeal shock wave lithotripsy treatment.