Most of the cases of regurgitation and lack of appetite are due to their own diseases. There are several reasons for this. 1. chronic pharyngitis. The situation of regurgitation and nausea is a common symptom of chronic pharyngitis, the condition of such diseases is relatively long, mostly due to throat discomfort caused by the lack of appetite, as well as the situation of regurgitation, after the cure of pharyngitis disease can be effectively relieved. 2, chronic gastritis. The patient with chronic gastritis will also have nausea and vomiting, which can easily cause vomiting and regurgitation, and also abdominal pain. 3, gastroesophageal reflux disease. The gastroesophageal reflux disease will lead to a decrease in the defense mechanism of the esophagus, and the reflux will also cause damage to the esophageal mucosa, so it will cause regurgitation without appetite. 4, unhealthy diet. Often eat greasy food, will also cause stomach discomfort regurgitation situation.