The causes of urinary tract infections include viruses, bacteria, mycoplasma, etc. Antibiotics can only be used for bacterial infections, so antibiotics are not always effective. The common pathogens of urinary tract infections are virus, bacteria, mycoplasma, parasites, spirochetes, fungi, etc. Different drugs should be applied for various pathogens. Antibiotics only have anti-bacterial effect, which is effective for bacterial infections in the urinary system, while it is not effective for other pathogen infections. Patients should first identify the cause of the disease, and under the guidance of the physician to choose the appropriate drugs according to the cause of the disease. In addition, in daily life, patients should keep their private parts clean, pay attention to light diet as well as proper rest, etc., which can help the body to recover.