Chronic gastritis after taking half a year of medication without relief may be related to the use of medication is not appropriate, the time to take medication or improper diet. 1. The use of medication is not appropriate: for different chronic gastritis medication will be somewhat different, for example, combined with the chronic gastritis of Helicobacter pylori. In addition to the conventional quadruple therapy should also be supplemented with drugs to promote digestion or promote gastric power drugs. If you have type A gastritis, you may lack the factor of synthesizing vitamin B12, which makes the secretion of gastric acid decrease, and you need to take vitamin B12 drugs. 2. Duration of medication: The medication should be taken in strict accordance with the prescribed dosage and course of treatment to ensure that a sufficient amount of medication is taken. According to different degrees of chronic gastritis, the process of taking medication will be extended. The patient needs to be reviewed some time after taking the medication to clarify the degree of recovery. 3. Improper diet: In the treatment of chronic gastritis medication should also strengthen the diet management. Pay attention to regular eating, eat less spicy cold stimulating food, do not eat pickled, smoked food, do not drink a lot of alcohol. It is recommended that patients can go to the hospital as soon as possible for review, according to the examination to determine whether the specific condition is in remission, under the guidance of the doctor to further make adjustments to the treatment method, to promote the early recovery of the condition.