After eating watermelon try not to drink beer, watermelon is a more common summer fruit, which contains more nutrients, such as sugar, amino acids, vitamins and a variety of nutrients. Often eat watermelon, diuretic, anti-inflammatory effect, but also to promote the peristalsis of the stomach and intestines to help defecate. Many people drink beer while eating watermelon, which is not the right approach and may cause stomach discomfort. Because watermelon is a cold fruit, beer is also cold, so drinking beer immediately after eating watermelon will not only cause stomach discomfort, but also lead to stomach cramps, causing stomach pain. The alcohol in beer can cause irritation to the gastric mucosa, and long-term bad habits like this can lead to stomach disorders. Drinking beer after eating watermelon can cause diarrhea in patients with a weak spleen and stomach, and cause dehydration or electrolyte disorders in the body, so avoid such a diet.