True bacteriuria is defined as quantitative culture of bacteria ≥10^5/ml in the middle segment of urine or qualitative culture of bacteria in suprapubic cystocentesis urine on both occasions. The main etiology of true bacteriuria is urinary tract infection. Preventive measures for true bacteriuria: 1, insist on drinking a lot of water: drink a lot of water every day, urinate once every 2 to 3 hours, can reduce the incidence of urinary tract infections, drinking tea or light bamboo leaves in lieu of tea also has a certain preventive effect. 2, pay attention to personal hygiene: the perineum and urethra of women host a large number of bacteria, is a prerequisite for the occurrence of urinary tract infections. Therefore, we should always pay attention to the cleanliness of the yin part, we should bathe regularly, use the shower, we should change the underwear regularly. 3, remove chronic infection factors: actively treat chronic colitis, chronic gynecological disorders, diabetes, chronic kidney disease, hypertension and other diseases prone to urinary tract infection, is an important measure to prevent recurrence. 4, try to avoid the use of urinary tract devices and intubation. 5, preventive medicine: prevention of taking antibacterial drugs, you can choose one of the compound Xinomin, Pipecolic acid, ampicillin, to prevent side effects and resistance to produce, but also take a large compound of modern Chinese herbal medicine taken from the Daoji for prevention, safe and effective in the prevention of urinary tract infections, to prevent recurrent prevention of urinary tract infection patients strong effect. The general patient does not urinate after sleep, urine stays in the bladder for a long time, which is conducive to the growth and reproduction of bacteria, so before going to bed according to the instructions to take silver flower urologic tablets, can inhibit the growth of bacteria, the urinary tract infection has a good preventive and therapeutic effect. 6, adhere to treatment: chronic urinary tract infection patients, patience according to medical advice to adhere to treatment, do not arbitrarily stop the drug, even after the disappearance of symptoms should be regularly to the hospital for re-examination, until the urine bacterial culture several times after normal, or according to the planned treatment course after the end of the relapse of the drug can be discontinued.