Gastritis belongs to the category of Chinese medicine, such as stomach pain, gastritis Chinese medicine, if it is a tonic drug is recommended to take before meals, if it is to move the gas to eliminate flatulence of the drug, it can be taken after meals. For tonic Chinese medicine, it is better to take it before meals, such as Sijunzi Tang, tonic Chinese medicine, spleen pills such as tonic stomach medicine, taking the medicine before meals can avoid the drug and food adulteration, which can make the drug better absorbed, so that the efficacy of the drug is better played. However, there are special cases, such as food accumulation (food indigestion and stagnation in the stomach) or need to move qi to eliminate flatulence of the patient, it is generally recommended to take the drug after meals, commonly used in the Baohe Pills, Hovenia Conducting Pills and other medicines, such drugs taken after meals, can promote gastrointestinal peristalsis, so that the stomach qi downstream to help the digestion of food. The use of different drugs, the time to take a certain difference, the specific use and dosage of drugs, it is recommended that patients take under the guidance of professional Chinese medicine.