Frequent gastroenteritis is usually caused by unclean diet, bad habits, abuse of antibiotics, and dysbiosis of the gastrointestinal flora. First of all, you should try to eat clean food and avoid eating rotten or spoiled food, which can contain bacteria that can cause irritation to the mucous membrane of the digestive system once it enters the digestive system, thus triggering an attack of gastroenteritis. Secondly, some people have bad habits in life, such as frequent smoking, drinking alcohol, drinking strong tea, will lead to impaired digestive system function, the chances of suffering from gastroenteritis will also increase. In addition, antibiotics can kill bacteria, long-term high dose of antibiotics will cause violations of the mucous membrane of the gastrointestinal, will also be more likely to induce the onset of gastroenteritis. There are a large number of flora in the intestinal tract, and in a state of flora balance gastrointestinal function can be safeguarded, and the ability to resist disease will be improved. Once there is an imbalance in the intestinal flora, not only will harmful bacteria grow excessively, but the gastrointestinal resistance to disease will also be weakened, making it easier for bacterial and viral infections to cause an attack of gastroenteritis.