Hot and spicy intestines and stomach may be due to excessive secretion of gastric acid, stomach diseases and food factors. 1. Excessive secretion of gastric acid, when the recent food is too acidic or too sweet food, it will lead to increased secretion of gastric acid, which in turn causes a hot burning sensation in the stomach, in addition, if you suffer from gastrinoma, it will also cause increased secretion of gastric acid. 2. Stomach diseases, when suffering from gastric ulcer, reflux gastritis and other diseases, can also lead to the appearance of heartburn. 3. Food factors, if you eat more spicy food, will lead to the stomach due to food stimulation caused by burning sensation, can be relieved by milk, warm water and so on. Patients are advised to seek timely medical treatment and follow the doctor’s instructions.