In urine routine, leukocyte 3+ indicates the presence of inflammatory cells, which is mostly seen in urinary tract infections or inflammatory irritation. Routine urine examination is the most common test for urinary system diseases, mainly checking the color, pH, red blood cells, white blood cells, protein, sugar, etc. The examination item of white blood cells mainly indicates the situation of inflammatory cells in urine, and 3+ is a positive performance, which mostly indicates the situation of infection. Common infections and inflammations are: pyelonephritis, cystitis, prostatitis, etc. If there are recent urinary stones, the stones stimulate the urinary tract, which may also lead to elevated white blood cells; if there is inflammation of the urinary tract, patients are mostly accompanied by urinary tract irritation symptoms, mostly frequent, urgent and painful urination, and patients with serious conditions may have systemic symptoms, such as: dizziness, nausea, vomiting, high fever, etc. However, during the routine urine examination, there may be certain abnormal results. On the one hand, it is recommended to improve the examination, such as urinary ultrasound, etc., and recheck the routine urine several times, on the other hand, it is necessary to combine the patient’s clinical symptoms, to clarify whether there are symptoms of inflammation or infection, to conduct a comprehensive analysis, and after a clear diagnosis, then targeted treatment. The current situation, it is still recommended to go to the nearby public hospital urology department, formal examination and treatment.