The following reasons for exhausting all day: 1, gastrointestinal problems, will lead to a decline in the digestive function of the stomach, the intestinal tract of harmful bacteria increased, many can not digest the food will enter the intestinal tract, and then the intestinal tract of harmful bacteria will break down the food, producing a lot of gas, leading to exhaust throughout the day. 2, too much air into the intestinal tract, eating inattentive, while eating and talking, a lot of air will enter the stomach and intestinal tract with the food. 3, long-term constipation. The first thing you need to do is to take a look at the website. Therefore, usually do not do other things when eating, to avoid too much air into the body, eat healthy, eat on time, do not overeat, eat a little more good digestive food, slowly the symptoms will be alleviated.