The upset stomach caused by eating too much kelp can be relieved by proper exercise, general treatment and medication. 1. Appropriate exercise: stomach discomfort caused by eating too much kelp may be caused by indigestion. Patients can promote gastrointestinal peristalsis through appropriate exercise, such as walking after meals, to alleviate the symptoms of discomfort. But avoid strenuous exercise, so as not to aggravate the condition. 2. General treatment: patients should pay attention to improve eating habits, not overeating, light diet, drink more warm water, reduce the burden on the gastrointestinal tract, so as to alleviate the above symptoms. 3. Medication: When eating too much kelp causes gastric discomfort, you should stop eating, and take drugs such as domperidone and pancreatic enzyme tablets orally under the guidance of a doctor to relieve the symptoms. If the stomach discomfort is more serious or persists without relief, it is recommended to go to the hospital in time, under the guidance of the doctor for treatment.