Lactobacillus is usually the general name of bacteria that can make glucose and other sugars break down into lactic acid, and a large amount of Lactobacillus usually means the following: 1. If a large amount of Lactobacillus is parasitized in the mouth, it will play an important role in the occurrence of dental caries. Therefore, if there is a large amount of Lactobacillus replication and infection in the oral cavity, we should be alert to the occurrence of dental caries, periodontitis, gingivitis and other oral inflammation. 2.If there is a large amount of Lactobacillus in the intestinal tract, it will usually lead to the imbalance of the flora in the gastrointestinal tract, which will destroy the balance of probiotics and the balance barrier. 3.If there is a certain amount of Lactobacillus in the vagina of women, but if Lactobacillus 3. If there is a certain amount of Lactobacillus in a woman’s vagina, but if Lactobacillus proliferates, it can cause disruption of the acid-base balance in the vagina, making her susceptible to vaginitis.