Patients with vague pain on the lumbar side should visit the urology department first, since the kidneys and ureters of the urinary system are located here. Vague pain on the side of the waist is commonly associated with stones, inflammation causing hydronephrosis or infection, and pain can also manifest itself if there are problems with the intestines. In addition, intercostal neuritis, muscle strains, muscle spasms, patients will also experience discomfort in the lumbar side, which can also be manifested as vague pain. At this time, you should go to the urology department of the hospital for detailed examination and take targeted treatment after clarifying the cause in order to achieve a better treatment effect.