The most common cause of small abdominal pain in men, accompanied by low back pain, is mainly seen in the urinary tract diseases, especially for the urinary stones, will cause small abdominal pain, accompanied by low back pain, through the timely ultrasound examination of the urinary tract, can be clearly diagnosed. After the diagnosis is clear, lithotripsy is usually used for urinary stones. If the larger stones cannot be crushed, surgery can be considered to remove the stone, and for urinary tract infections, anti-infection treatment is used. In addition, for male patients, we need to be alert to the appendix peritoneum in the posterior position of the right lower abdomen, especially the retroperitoneum of the appendix, when the infection is serious, there can be pain in the lower abdomen and lower back pain, and usually can be clearly diagnosed by abdominal CT examination. For patients with a clear diagnosis of acute appendicitis, emergency laparoscopic appendectomy is required to obtain a cure. Therefore, men with small abdominal pain or back pain need to consider the possibility of urological or appendiceal disease, and need to choose timely and effective examination, and if necessary, emergency surgical treatment in order to obtain a cure.