The side effects of eating too much pumpkin seeds include causing stomach upset, tongue upset as well as indigestion and obesity. 1. Stomach discomfort: a large number of pumpkin seeds, easy to lead to a large amount of air along with the chewed seeds into the stomach, and then cause gastrointestinal flatulence induced belching (hiccups), abdominal pain and bloating and other symptoms of stomach discomfort. 2. Tongue discomfort: a large number of pumpkin seeds, will inevitably lead to pumpkin seeds with the tongue to produce intense friction, and then easy to cause the tip of the tongue part of the redness, swelling, pain and blood blisters and other symptoms, affecting the health of the tongue. 3. indigestion: 100 grams of pumpkin seeds contain 559 calories, 49.05 grams of fat, 30.23 grams of protein, 10.71 grams of carbohydrates. Pumpkin seeds fat content is relatively high, too much consumption can lead to increased gastrointestinal burden, easy to cause nausea, bloating and other indigestion symptoms. 4. Obesity: pumpkin seeds calories, high fat content, easy to cause obesity, aggravate lipid metabolism abnormalities. Therefore, although pumpkin seeds are more nutritious, but must pay attention to moderate consumption, can not be excessive.