If you drink lactobacilli drinks occasionally, it is generally not harmful to your body; however, if you drink lactobacilli drinks in excess or for a long period of time, it may lead to intestinal flora disorders, obesity and so on. 1. Intestinal flora disorders: If you drink a lot of lactobacilli drinks for a long time, you will not only ingest lactobacilli, but also ingest a lot of sugar contained therein, which may cause intestinal flora disorders, affecting the absorption of food, and even gastrointestinal discomfort symptoms. 2. Obesity: Because lactobacilli drinks contain high sugar content, if you drink a lot of the drink over a long period of time, it will lead to too much sugar into the body, which may be converted into fat, thus causing obesity. It can be seen that there is no problem to drink a little lactobacillus beverage occasionally, but pay attention to the right amount, not excessive or long-term drinking.