The most common cause of incomplete urination and a little bleeding is acute urethritis or acute cystitis, which also does not exclude the possible existence of bladder stones, or lower ureteral stones and other etiologies, which require further examination to determine. 1. If acute cystitis or acute urethritis occurs, there can be an obvious increase in the frequency of urination, accompanied by a feeling of incomplete urination, especially when acute mucosal congestion occurs, then there can be urination or If there is blood after urination, routine urine examination and urine culture examination are needed to clarify whether there is bacterial infection. 2. When there are bladder stones or lower ureteral stones, which can stimulate the production of incomplete urination, accompanied by symptoms such as pain in the small abdomen and lumbar pain, and the stones cause local mucosal bleeding and hematuria during urination, ultrasound examination of the urinary system is needed to confirm the diagnosis of the presence of urinary stones.