The consequences of recurrent urinary tract infections: 1. Repeated infections do not heal, easily making the disease chronic, resulting in local mucosal damage, the slightest pathogenic factors or bacterial invasion can occur infection, recurring every year or every few months, costing a lot of human, material and financial resources, and easy to reduce the body’s immunity, causing certain hidden risks to the quality of life and safety of patients. 2. Recurrent urinary tract infections can cause the infection site Stricture, obstruction symptoms, such as chronic recurrent urinary tract infections, over time, easy to form urethral stricture, urinary difficulties. Repeated ureteral infections can lead to ureteral stenosis, causing hydronephrosis on the corresponding side and affecting kidney function. 3. Repeated urinary tract infections can cause local urothelial metaplasia, resulting in malignant disease episodes, such as repeated cystitis, which over time can cause the columnar epithelium or metastatic epithelium of the bladder to metaplasia into squamous epithelium, making it easy to suffer from squamous cell carcinoma, which may pose a threat to the patient’s life safety.