The difference between acute gastritis and chronic gastritis is as follows: 1, acute gastritis: occurs in the summer and autumn seasons, before the onset of the disease, there is often a history of cold, bacterial infection, the symptoms are more serious, manifested as fever, vomiting, diarrhea, gastric pain; 3-5 times a day, or even more than 10 times a day, the stool is watery, or even mucus pus and blood stools, it should be actively treated to avoid the formation of chronic gastritis; 2, chronic gastritis: associated with the long period of dietary indiscretions, smoking, drinking, spicy and stimulating food, the symptoms of the prolongation of the symptoms, often manifested as gastroepidemiastinum pain, nausea, vomiting, regurgitation of acid, belching, and other symptoms.