Chinese medicine puts gastritis in the category of abdominal pain, diarrhea, etc., which needs to be diagnosed and treated, such as abdominal pain belongs to the evidence of internal obstruction of cold evil, using Liang Fu Wan and Zheng Qi Tian Xiang San for treatment. If the abdominal pain belongs to the cold internal obstruction syndrome: abdominal pain (body spasm and convulsion due to wind-cold), rapid and violent pain, severe pain in cold, pain decreases in warmth, pale mouth and no thirst, cold (cold body), cold limbs, long and clear urine, scanty or clotted stools, etc.. Choose Liang Fu Wan combined with Zheng Qi Tian Xiang San. If the abdominal pain belongs to the syndrome of damp-heat congestion: abdominal pain refusing to be pressed, thirst and thirst leading to drinking, constipation or loose stools, hot flashes (a burst of heat) and sweating. Choose Da Cheng Qi Tang (大承气汤) combined with (or) Citrus Aurantium Pill (枳实导滞丸). If the diarrhea belongs to the syndrome of dampness-heat impregnating the spleen: after diarrhea, one always feels that the stools are not finished, the stools are smelly or like yellow rice, body heat, feeling heavy, head as if wrapped in cloth, abdominal distension, nausea and vomiting, unappetizing food, thirst, bitter taste in mouth, yellow urine. Scutellaria Baicalensis Slippery Stone Tang is recommended. Consultation with a doctor is recommended for specific identification and medication.