Gastric ulcer patients should not drink lemonade, because lemonade is acidic, sour lemonade can stimulate the ulcer surface of gastric ulcers, causing gastric ulcer symptoms to worsen. Gastric ulcers are caused by a variety of causes of damage to the gastric mucosa, and finally formed ulcers, the most common clinical causes include excessive gastric acid, Helicobacter pylori infection, long-term use of non-steroidal anti-inflammatory drugs, long-term consumption of alcohol, and stress, and so on. Gastric ulcer patients should pay attention to the diet of light, easy to digest diet, eat more vegetables, fruits, rice, noodles, milk, etc., prohibit the consumption of alcohol, prohibit the consumption of spicy and stimulating food, in addition, gastric ulcer patients should pay attention to regular meals, can not starve a meal full of a meal, can not overeat.