Yogurt is not recommended when you have diarrhea. Although yogurt is rich in a variety of probiotics, which can help digestion and protect the intestinal tract. However, if the symptoms of diarrhea occur, it already suggests gastrointestinal discomfort, the cause of which may be infections, food poisoning and drug reactions, etc., and generally there is an imbalance of intestinal flora. Yogurt contains lactobacillus, may improve the intestinal flora imbalance, but will also make the intestinal environment more complex, the effect is not known, so it is not recommended to consume for the time being; and the preservation of yogurt is generally a low-temperature preservation, the temperature is low, it will stimulate the stomach and intestines, resulting in diarrhea aggravation. Some lactose intolerant patients, drinking yogurt will cause increased intestinal osmotic pressure, while intestinal bacteria decompose lactose to produce hydrogen and carbon dioxide, which will trigger bloating, diarrhea and so on.