When relieving urination stomach pain, then the possible causes: 1, suffering from acute cystitis or urethritis, etc., can appear when relieving urination pain in the abdomen. Accompanied by frequent urination, urinary urgency, painful urination or tingling in the urethra and other symptoms. In severe cases, patients may even experience hematuria, or fever. It is necessary to carry out routine urinalysis or cystoscopy if necessary to further confirm the diagnosis. 2, if there is a bladder stone, there can be pain in the abdomen during urination, or accompanied by the phenomenon of interrupted urination, accompanied by frequent urination, urinary urgency and other symptoms. It is necessary to carry out routine urinalysis and ultrasound examination of the urinary system to exclude the presence of stones.3. If there is a bladder tumor, it can appear pain in the abdomen, or accompanied by frequent urination, urinary urgency, hematuria, etc. The tumor can cause pain in the abdomen, or accompanied by frequent urination, urinary urgency, hematuria. When the tumor increases in size and invades the muscle layer of the bladder or the pelvic wall, it can also be accompanied by pelvic pain. CT examination of the bladder area or cystoscopy is needed to further confirm the diagnosis.