The majority of people can’t tell what is acute and what is chronic, and they are not sure about the symptoms of gastroenteritis. The main reason for this is the acute inflammatory changes caused by the consumption of toxin-containing bacteria, which stimulate the mucous membrane of the gastrointestinal tract, with clinical manifestations such as nausea, vomiting (vomit is usually undigested food), dehydration, epigastric pain, vomiting blood, blood in the stool, etc. The first treatment is to remove the cause, stop using drugs and foods that stimulate the gastrointestinal tract, and give light, easy-to-digest liquid food, which helps repair damage to the gastrointestinal tract. 2, chronic gastroenteritis cause more complex, mostly with irregular diet, eating too cold and too hot food, long-term drinking and smoking, unhygienic diet and other factors, the main clinical manifestations of abdominal pain, diarrhea, generally patients first vomiting, and then diarrhea symptoms, dark brown or green stool, foul smell, may be accompanied by fever, etc., may also appear loss of appetite, belching, acid reflux, nausea, vomiting, etc., its treatment Generally, it is better to adjust the eating habits and actively treat the symptoms. If the symptoms are not serious, you can eat lightly and pay attention to dietary hygiene. If the symptoms are serious, you need to go to the hospital in time to avoid delaying the disease.