General urine bacterial culture will occur in the following situations: 1, after receiving the urine specimen, inoculated to the blood plate culture overnight, the next day can be found on a plate with more than three or more kinds of bacteria, which can be directly reported miscellaneous bacteria growth, which is due to the patient retained specimens are not qualified to lead to bacterial contamination of urine specimens, in this case the general 24 hours out of the results; 2, if the patient exists pathogenic bacteria, such as the presence of 2, if the patient has a pathogenic bacteria, such as the presence of a simple or pure pathogenic bacteria, the identification and drug sensitivity test will be conducted at 24 hours of the pathogenic bacteria, the identification and drug sensitivity results at the 48th hour; 3, if the patient has two kinds of bacteria, but the two kinds of bacteria are not good to distinguish, first of all, the two kinds of bacteria must be pure, the identification and drug sensitivity test for the two kinds of bacteria in the 48th hour, and then 72 hours The identification and drug sensitivity results will be released at 72 hours.