The causes of bloating and lack of appetite are as follows: 1, indigestion, mainly due to poor eating habits, gastrointestinal dysfunction, as well as intestinal flora imbalance and other factors, resulting in eating to the stomach food, intestinal food residue can not be digested, decomposed and absorbed by the gastrointestinal tract, its long-term retention of the intestinal tract so that there is bloating, loss of appetite, accompanied by nausea, belching and other manifestations. 2, Neurological diseases, such as cerebral infarction, cerebral hemorrhage, and intracranial space occupation and other reasons, resulting in intracranial appetite center lesions, thus inhibiting the brain’s control of healing, so there is no appetite, bloating phenomenon. 3, mental factors, mainly seen in depression, anxiety, and neurological signs such as sympathetic inhibition, appetite, intestinal peristalsis slowed down, stomach bloating phenomena. 4, medications, such as long-term use of non-steroidal anti-inflammatory drugs (NSAIDs) and other medications. Such as long-term use of non-steroidal anti-inflammatory drugs, hypoglycemic drugs and chemotherapy drugs, etc., due to the gastrointestinal adverse effects of drugs can appear bloating, loss of appetite.