The pain in the abdomen after urination with a feeling of gas, and accompanied by tingling and itching at the urethra, is mainly considered to be caused by abnormalities in the urinary system. The corresponding conditions mainly include the following reasons, respectively, urinary system inflammation, stones, tumors and so on. 1. Inflammation of the urinary system: Inflammatory reaction caused by urinary system infection will lead to mucosal edema, oozing, in the process of urination will stimulate the mucosa to cause the corresponding symptoms. 2. urinary stones: urinary stones in the process of discharge will cause mucosal scratches, can also cause related symptoms, and the surrounding tissue exudate, adhesion. 3. Urological tumors: urinary tumors cause invasion and destruction of the surrounding tissues, which will also cause related symptoms, most of which will be accompanied by hematuria. If the symptoms are not relieved after urination, it is necessary to be admitted to the hospital for observation in time, and carry out standardized treatment under the guidance of clinicians after diagnosing the specific condition, so as to avoid the delay of the condition.