Gastritis is a common benign disease, and patients with gastritis can usually be cured with medication and a regular diet. There are three types of drugs commonly used to treat gastritis: the first type is antimicrobial drugs, commonly used are levofloxacin and amoxicillin. The second category is the acid control drugs, commonly used are omeprazole and ranitidine. The third category is drugs to protect the gastric mucosa, and the representative drug is bismuth salicylate. At the same time of medication, we should pay attention to a light diet, do not eat spicy and stimulating food, do not eat hot food, do not eat raw and cold food, eat some easy to digest food, with medication to get the best treatment effect.