The possible causes of hematuria in women when urinating and accompanied by pain: 1. Acute cystitis and urethritis caused by urinary tract infection can appear as hematuria in the naked eye. In the acute inflammation period, the bladder and urethra mucosa is congested, edematous, a small amount of blood oozing into the urine can be manifested as hematuria, and the mucosal inflammation can appear obvious symptoms of urinary frequency, urinary urgency and painful urination, need to further check the urine routine to confirm the diagnosis. 2, urinary system stones, acute pain in the lower back and abdomen, lower abdominal cramps and pain, accompanied by carnal hematuria, microscopic hematuria, pain is often more intense It is recommended to perform further ultrasound examination of the urinary system to rule out the presence of stones. If there are stones, further treatment such as extracorporeal lithotripsy is required. 3. Urological occupational disease, commonly seen in older patients, combined with urological occupational lesions, such as tumors and polyps, can cause pain and bleeding in the corresponding areas. This condition also requires further ultrasound and CT examinations to rule out the presence of occupying lesions. This condition is most often seen in patients of advanced age, and younger patients are usually not considered to have an occupying disease.