After the infusion of anti-inflammatory drugs in the stomach is difficult may be caused by the adverse reaction of the drug, or the patient’s own gastrointestinal function is poor. It is recommended to eat a light diet, avoid spicy diet, the use of gastric protection drugs. Some anti-inflammatory drugs such as metronidazole, erythromycin, etc. can cause gastrointestinal adverse reactions. When the patient himself suffers from chronic gastritis or gastric ulcer, the use of anti-inflammatory drugs will stimulate the gastrointestinal tract reaction, stimulate the smooth muscle in the stomach to cause gastric discomfort. Attention should be paid to a light diet throughout the course of the infusion, such as noodles, porridge, etc., avoiding spicy and stimulating foods that increase the stimulation of the gastric mucosa. You can use drugs to protect the gastric mucosa, such as magnesium aluminum carbonate chewable tablets. If the stomach pain is unbearable, you can tell the doctor to change different kinds of anti-inflammatory drugs. All of the above medications should be taken under the supervision of a doctor.