What is the reason for abdominal distension and old farting?

Stomach flatulence old fart may be caused by improper diet, indigestion, chronic gastritis and other reasons, as follows:

improper diet: eating too much starchy food, meat products, fried food, food is not easy to digest, produce a lot of gas in the gastrointestinal tract

, leading to abdominal flatulence old fart

symptoms.