Eating without chewing can cause symptoms such as obesity and indigestion. 1. Obesity: food in the absence of sufficient chewing, can not react with salivary amylase, the initial digestion. This leads to the retention of food in the small intestine and obesity. 2. Indigestion: Eating without chewing can also lead to indigestion. Food that has not been initially digested by salivary amylase will increase the burden on the stomach and intestines when it enters the stomach and intestines, causing damage to gastrointestinal function and symptoms such as indigestion. At the same time may also be accompanied by indigestion, bloating and diarrhea and other symptoms. Usually pay attention to eating habits, it is recommended to chew slowly after swallowing, eat some light, easy to digest food, reasonable and regular diet.