Gastrointestinal flora imbalance is a problem that people often encounter, often resulting in the following causes and symptoms: 1, eat unclean food, such as bacterial infection or spoiled, expired food, such foods usually have elevated bacterial content, just after eating the body will increase the bacterial content, the intestinal flora will be imbalanced symptoms of diarrhea. 2, infection with Helicobacter pylori, which is spread through the fecal mouth The bacteria that can be customized in the mouth and stomach, usually infected with this bacteria will appear bloating, diarrhea, heartburn and other symptoms, if the infection is a strong independent Helicobacter pylori, may also develop into gastric cancer. 3, imbalance in the flora will lead to diarrhea or constipation, the flora is planted in the intestinal tract and intestinal cells closely, its metabolic products will have a certain impact on the cells, affecting permeability and so on.