Wiping a little blood mucus after urination may be physiological factors, may also be the manifestation of certain diseases, such as urinary tract infections, urinary tract stones, urinary tract tumors, etc., should be timely consultation to identify the cause. 1. Physiological factors: if women in the menstrual period, strenuous exercise, eating red dragon fruit or taking special drugs may lead to urine after wiping with light blood, this is a normal physiological hematuria, is not serious, generally do not need special treatment. 2. Pathologic factors: (1) urinary tract infection: such as pyelonephritis, ureteritis, vaginitis, repeated stimulation can lead to hematuria, manifested as a bit of blood and mucus wiping after urination. (2) urinary tract stones: more serious, when the stones lead to damage to the urethra, it may lead to hematuria, urinary pain and other manifestations, that is, manifested in the phenomenon of wiping a little blood mucus after urination. (3) Tumor of urinary tract: when the tumor is large, rupture, infiltrate or press the urinary tract, it may lead to the symptom of wiping a bit of blood and mucus after urination. Besides, there may be cervical cancer, endometriosis and other diseases, but this symptom alone is not enough to diagnose the disease. It is recommended that if physiological causes are ruled out, you should seek prompt medical attention from your doctor to clarify the cause of the condition and undergo the appropriate tests if necessary.