Routine urine test suggests that 9 mucus filaments are mostly considered to be related to infectious diseases of the urinary tract. Mucus filaments are secreted by the cells, when there is a urinary tract infection, the mucus filaments secreted by the cells will be increased, so in the routine urine examination found that mucus filaments are 9, at the same time, should be combined with the white blood cells in the routine urinalysis, bacterial counts, etc., to be vigilant about the occurrence of infectious diseases of the urinary tract. For patients who have been diagnosed with urinary tract infections, water intake should be increased appropriately to facilitate the discharge of more urine, flushing the urethra in order to alleviate urinary pain and other related symptoms, and if necessary, it is also necessary to comply with the doctor’s orders to use levofloxacin, cephalosporin and other antibiotic agents to actively fight infection treatment.