If you have a stomachache after drinking milk, it is recommended to stop drinking milk in time. If you suffer from gastrointestinal diseases, try not to drink milk on an empty stomach, drinking milk on an empty stomach will make excessive secretion of gastric acid, leading to symptoms of stomach pain, stomach pain can be relieved by abdominal massage or hot compresses on the abdomen to relieve stomach pain, but also in the doctor’s guidance to use drugs to relieve, such as aluminum sulfate tablets, omeprazole enteric-coated tablets, etc., can inhibit the secretion of gastric acid, relieve the symptoms. If part of the population in their own body lacks can digest lactase or intestinal lack of enzymes, will lead to drink milk after no way to digest milk lactose, thus will appear stomach pain, diarrhea and other symptoms, to immediately stop drinking milk, you can use probiotics, lactase and so on to relieve the symptoms. If the stomach pain is not relieved in time, you should immediately go to the hospital for examination and cooperate with the treatment.