What is the reason why there is gas in the stomach after eating

After eating meals, there are gas in the stomach to reverse the reasons generally include excessive intake of gas-producing food, indigestion, gastritis, etc. 1, excessive intake of gas-producing food If the patient eats too much gas-producing food such as soybeans, potatoes, etc., resulting in a gradual increase in gas in the body, causing the phenomenon of upward gas. 2, indigestion If the patient has indigestion, resulting in food can not be digested in time, and continuous fermentation, gas generation, if not timely treatment, may lead to gas upward. 3, gastritis patients due to inflammation in the stomach stimulation, leading to gastric dysfunction, so that food long-term accumulation in the stomach fermentation, generation of excessive gas, prone to upward gas symptoms.