There are many reasons for decreasing food intake. If the weather affects you, such as in the hot summer, you may eat less. If you are less active and consume less, you may also lose your appetite, resulting in smaller and smaller meals. In addition, there are also some disease causes of smaller and smaller meals: 1, indigestion: the consumption of non-digestible food or greasy, cold, spicy, stimulating food, such as fatty meat, cold drinks, chili peppers, etc., resulting in indigestion symptoms, resulting in loss of appetite smaller and smaller meals, you can take drugs to promote digestion, such as compound digestive enzymes, stomach stomach tablets, or eat yogurt rich in lactic acid bacteria to promote digestion 2, gastritis: the typical manifestation of epigastric fullness, hidden pain, lack of appetite, belching, nausea, vomiting and other symptoms, resulting in loss of appetite and smaller and smaller meals, you can follow medical advice to take the appropriate amount of acid suppressants and mucosal protective agents and other drugs to relieve; 3, gastric ulcer: clinical manifestation of epigastric pain or discomfort, bloating, anorexia, acid reflux and other symptoms, the patient may not be able to eat because of discomfort, resulting in smaller and smaller meals Gastroesophageal reflux: The onset of gastroesophageal reflux disease is the result of the decline of anti-reflux defense mechanism and the attack of reflux on the esophageal mucosa, with symptoms such as acid reflux and belching, which will affect the daily diet and lead to smaller and smaller meals. It can be treated with drugs such as cimetidine, ranitidine, famotidine; 5. Hyperaldosteronism: Changes in hormone levels can lead to poor appetite and also to smaller and smaller meals. If the patient shows persistent poor appetite and gradual wasting, he should also be alert to the presence of some chronic wasting diseases, such as tuberculosis and malignant tumor, which cause smaller and smaller meals.