The stomach hurts after drinking cool water, you should stop drinking cool water, and you can treat the symptoms through general treatment and medication. 1. Stop drinking cool water: some patients, due to the poor function of gastrointestinal tract, are prone to cause spasm of gastrointestinal mucosa and abdominal pain after drinking cool water, at this time it is recommended to stop drinking cool water. You can drink lukewarm water or a small amount of hot water to let the gastrointestinal tract rest gradually. 2. General treatment: you can use a hot towel or hot water bag to apply hot compresses to the stomach, which can also effectively promote local blood circulation, accelerate the body’s metabolism, make the stomach become warm, and then lift the stomach spasm caused by drinking cold water to improve the stomach pain. 3. Drug treatment: you can apply the drugs to relieve gastrointestinal spasm under the guidance of a doctor, such as pivacurium bromide can relieve acute gastrointestinal spasm, or the application of drugs to protect the gastric mucosa, such as aluminum thioglycollate, etc. for treatment. The use of drugs should be under the guidance of a doctor.