Urinary occult blood 1+ in the elderly, considering that it may be caused by urethral stones, cystitis, urinary tract tumors and other diseases. 1. Urethral calculi: when the stones in the urethra precipitation, or precipitation in the bladder can not be successfully discharged from the urethra, retention in the urethra, patients often appear urinary difficulties, urinary pain and other symptoms, and when the urethral calculi on the urethral skin, mucous membranes caused by the damage, may cause hematuria, this time the elderly urine test suggests that the urinary occult blood 1 +. 2. Cystitis: usually due to bacterial infection, some patients are due to radiation therapy of the pelvic region, suffering from diabetes and other chronic diseases and other factors. Inflammation repeatedly stimulate the mucosa, patients can appear urinary frequency, urgency, urinary pain, hematuria and other symptoms, at this time the elderly urinalysis can suggest urinary occult blood 1 +. 3. Urological tumors: tumor diseases occurring in the urinary tract, such as kidney cancer, bladder cancer, tumor cells destroy the blood vessels of urinary tract tissues, resulting in blood vessel rupture can trigger painless hematuria, and at this time, urinalysis of the elderly can indicate urinary occult blood 1+. Urine occult blood 1 + may also have other reasons, it is recommended to go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.