Stomach pain every night is related to the following factors: 1. You need to exclude whether you have recently consumed special food, such as spicy food, cold food and unclean diet, similar food may induce abdominal pain every night. 2. You also need to exclude the possibility of ulcer disease, which is commonly known as gastric ulcer, duodenal ulcer, etc.. These 2 types of ulcers are more prone to nighttime pain or pain before or after meals, and gastric ulcers are mainly painful about 30-60 minutes after meals. Duodenal ulcers have pain at night or in the early morning on an empty stomach, and in some cases, before meals. So there are many diseases that can be considered when stomach pain occurs every night. If the symptoms are long-term and recurring, it is recommended to go to the gastroenterology department for professional examination and never use medication blindly.