Bleeding in the urinary tract after one month of normal delivery may be caused by diseases such as urethritis, cystitis or urinary stones. 1. Urethritis: Urethritis is mainly caused by pathogen infection of gonococcus and nongonococcus, or spread through sexual contact. Patients can appear hematuria, urinary frequency, urethral urethral redness and swelling, urethral purulent discharge and other symptoms, some patients can be manifested as a month after the birth of a smooth urinary tract bleeding. 2. Cystitis: Cystitis is mainly caused by pathogen infection, sex hormone changes, low immunity, long time catheter catheterization and other factors. Patients can manifest as frequent urination, burning sensation at the urethral opening, hematuria, and some patients can have bleeding in the urinary tract one month after delivery. 3. Urinary stones: ureteral stones or kidney stones can also manifest as hematuria. There are many reasons that lead to bleeding in the urinary tract after one month of labor, and it is recommended that patients identify the cause of the disease in time.