Positive group B streptococcus indicates the presence of group B streptococcus infection, which is usually caused by improper hygiene, low immunity, and abuse of antibiotics. 1. Improper hygiene: Streptococcus B is mainly found in women’s vagina and rectum, when women don’t pay attention to personal hygiene, it will easily lead to the imbalance of vaginal flora, which can cause Streptococcus B infection, which can lead to Streptococcus B positive situation. 2. Low immunity: Group B streptococcus belongs to a kind of conditionally pathogenic bacteria, mainly parasitized in women’s vagina and rectum. If the body’s immunity is low and resistance is reduced, group B streptococcus may become pathogenic and multiply locally, and may appear positive for group B streptococcus. 3. Abuse of antibiotics: After the abuse of antibiotics, it is easy to lead to the imbalance of the flora in the body, which can cause the infection of group B streptococcus, and it can lead to group B streptococcus positive. In the case of positive group B streptococcus, it is necessary to go to the regular hospital for relevant examination and treatment in time to avoid delaying the condition.