UTIs during pregnancy should choose anti-infective drugs that are less toxic and safer for the fetus, such as second- or third-generation cephalosporins, or penicillin anti-inflammatory drugs, and quinolones, sulfonamides, and tetracyclines are not recommended. Different treatments are chosen according to different diseases, including asymptomatic bacteriuria, acute cystitis, acute pyelonephritis, and recurrent urinary tract infections, as follows: 1. Asymptomatic bacteriuria and acute cystitis: Pregnant female patients can be treated with a short course of therapy, which usually lasts 3-7 days. 2. Acute pyelonephritis: For pregnant women with acute pyelonephritis, they should be treated with intravenous antibiotics, which can be The drugs of choice include semi-synthetic broad-spectrum penicillin, such as amoxicillin, or third-generation cephalosporins, such as ceftazidime, etc. The course of treatment is usually in 14 days. 3. Recurrent urinary tract infections: a long course of low-dose antibacterial therapy, such as furantoin, can be used, and the course of treatment is usually about six months.