Women with red urine but no sensation may be a physiological phenomenon, because the vagina and urethra of women are adjacent to each other, menstrual blood is discharged during menstruation and mixed with the discharged urine, due to the lack of medical knowledge of the patient, mistakenly thought that the color of urine is red. Of course, food and disease factors can also cause this phenomenon. 1, food factors: eat food with pigment to form pigmented urine, such as eating red heart dragon fruit, dragon fruit is rich in anthocyanin, this pigment will be red when it meets the acidic environment, when the pigment molecules enter the urine through the kidneys, the urine is acidic, thus causing the urine color to be red, but there is no other discomfort. This phenomenon does not require special treatment, through more water, diligent urination will metabolize the pigment in the body, the urine color will be restored; 2, disease factors: such as urinary system stones, inflammation, tumors, tuberculosis, etc., resulting in urinary system infection, injury, broken, resulting in bleeding phenomenon formed hematuria, the early stage of the disease or when the symptoms are mild, the performance of the urine is red but no feeling. It is recommended that patients should undergo active treatment. Ultrasound examination of the kidneys, ureter and bladder can be done to help determine the specific cause of the disease and do targeted treatment. Pay attention to personal hygiene, drink more water and urinate more often. For patients with urinary system stones, extracorporeal impact lithotripsy can be used to help the stones to be discharged and relieve the symptoms of red urine. For patients with urinary tract infections, quinolone antibiotics are generally used to control the infection and reduce the symptoms. For patients with urological tumors, they need to follow medical advice to actively undergo surgery, supplemented by radiotherapy and chemotherapy if necessary. If patients have urological tuberculosis, they need systemic and systematic anti-tuberculosis treatment, such as isoniazid, rifampin, etc., supplemented by surgery if necessary, to achieve better treatment results.