Probiotics have good effects in improving intestinal flora disorders, improving immunity and reducing the side effects of antibiotics. 1. Improve intestinal flora disorders: probiotics are beneficial bacteria, which can promote the secretion of enzymes in the body, regulate the balance of the bacterial flora, promote digestion and absorption of nutrients, but also increase the self-regulatory function of the stomach and intestines, diarrhea, constipation and other symptoms of patients also have a certain effect on relief. 2. Improve immunity: the intestinal tract as the regulator of the human immune system, has a very important role, probiotics can balance the intestinal flora, but also able to stimulate the human immune system, improve human immunity. 3. Reduce the side effects of antibiotics: taking antibiotics in the killing of bacteria at the same time, will also mistakenly kill many beneficial bacteria in the body, and the disappearance of beneficial bacteria, may lead to an imbalance in the immune system of our intestines, so timely supplementation of probiotics can also reduce the side effects of antibiotics, which will help the body to recover. There are many types of probiotics, each with different effects. When patients supplement probiotics, it is recommended that they consult their doctors and choose the right probiotics according to their needs under their doctor’s guidance.