Hi and thanks for using the forum.
Your daughter needs to be seen by her pediatrician to determine what is causing the bleeding. Blood in the urine can be caused by a number of things including a urinary tract infection, a kidney infection, kidney stones, a vaginal infection, among other things. This really needs to be checked out since if left untreated, these things can cause permenant damage to the urinary tract. Take her to see her doctor ASAP or if you don't have a doctor, take her to the emergency room for treatment. Good luck.