Drinking after the expiration date leads to stomach pain, indicating that the drink has been spoiled, so that the gastrointestinal dysfunction or gastrointestinal infection, the need to adjust the diet, the use of cephalosporin and other antibiotic drugs for treatment. If the patient’s stomach pain symptoms are mild, not accompanied by obvious diarrhea, abdominal pain symptoms, indicating the emergence of gastrointestinal function disorders. At this time can be used to adjust the diet, eat easy to digest food, or use local hot compresses, local massage method for treatment. If the patient’s stomach pain symptoms are more serious, it means that the gastrointestinal tract is infected with bacteria and other microorganisms, at this time, you can take antibiotic drugs for treatment, such as cephalosporin, etc., pay attention to prevent allergic reactions. When the patient drank expired drinks stomach pain symptoms continue to be unable to relieve, it is recommended to go to the hospital in a timely manner, under the guidance of the doctor for standardized treatment, to prevent delays in the condition.