Pregnant women who are positive for group B streptococcus can be temporarily observed and treated with medication. 1. Temporary observation: Pregnant women with positive B streptococcus bacteria indicate the presence of B streptococcus bacteria in the vagina, which may lead to premature rupture of membranes and intrauterine infections. If this situation occurs in early or mid-pregnancy, it can be temporarily observed, and you should pay close attention to your own situation, drink plenty of fluids and pay attention to personal hygiene. 2. medication: if a pregnant woman in late pregnancy is positive for group B streptococcus, she should be treated with medication, otherwise the bacteria will cause premature rupture of membranes, preterm labor, neonatal infections, etc. The main use of penicillin drugs, such as benzylpenicillin, penicillin, and so on, and secondly, you can also choose erythromycin, chloramphenicol, clindamycin, and so on. Pregnant women with positive group B streptococcus should be actively treated under the guidance of a doctor to avoid the impact on pregnant women and fetuses, the above medication should be used under the guidance of a doctor, avoid self-medication.