Meropenem should be used with caution in pregnant women, and if it is necessary to use it during pregnancy, the advantages and disadvantages should be weighed by the physician and strictly follow the doctor’s instructions. Meropenem belongs to a synthetic broad-spectrum carbapenem antibiotic, by inhibiting the synthesis of the bacterial cell wall to play a role, and antibacterial effect is relatively strong, antibacterial spectrum, so it is also widely used in clinical. According to the pregnancy drug classification meropenem belongs to class B drugs, rodents and monkeys pregnancy animal studies show that this product is safe, the use of the dose is higher than the dose of clinical application, did not show teratogenicity or intrauterine fetal development retardation phenomenon, if the pregnant woman combined with some serious infections, the physician weighed the advantages and disadvantages of the use of the drug confirmed that the effects of the use of the drug on the fetus after the pros and cons of the use of the drug outweigh the disadvantages. Pregnant women with infections should be treated with anti-infective therapy under the supervision of a physician. Pregnant women who seek medical treatment for various medical or surgical diseases should inform their physicians in a timely manner and use the medication according to their conditions and weigh the pros and cons, rather than taking the medication on their own.