After the extraction of double j tube appeared a certain amount of blood in the urine, this phenomenon may belong to the normal phenomenon, you can drink more water to reduce the frequency of blood in the urine, but if the amount of bleeding is large and long-term bleeding, you need to go to the hospital to check the phenomenon in the end what is caused by. If the blood in the urine is caused by an infection, you can take the appropriate amount of oral cephalosporin or amoxicillin and other antibiotics to prevent bacteria from multiplying and relieve the symptoms. The two j tube extraction and urine blood should pay attention to their own eating habits, eat less spicy stimulation and cold food, eat more fresh fruits and vegetables. Pay attention to personal habits, do not be too tired. Drink more warm water every day to promote the body’s metabolism. After ureteral surgery, pay attention to hygiene and dietary habits to avoid infections caused by bad habits. The application of the above medications should be under the guidance of a professional physician, avoid blindly using medication, so as not to aggravate the condition.