Small stomach pain with urine-like distension, it is recommended that you can use diclofenac suppositories 50mg nanoanal, usually 3-5 minutes to relieve the pain, you can also intramuscular injection 654-2 antispasmodic, relieve pain. After the pain is relieved, it is recommended to do ultrasound examination of kidney, ureter and bladder. The main thing is to suspect stones in the lower ureter, and ultrasound can find out whether there are stones. If there are stones, the location of the stones in the ureter, the size of the stones and the presence of dilated fluid in the kidneys and ureter can be found. If stones are identified, it is recommended to drink more water and urinate more often to promote the elimination of stones from the body. The large stones need to be broken up by extracorporeal shock wave lithotripsy and then expelled from the body. In this case, you should also pay attention to the possibility of prostatitis.