The feeling of hunger after eating a full meal may be caused by improper eating style, somatoform disorder, gastritis and other factors. 1. Improper eating style: Laughing or talking during meals may result in swallowing a large amount of gas, which may cause hunger pangs after eating a full meal because there is too little actual food in the stomach. Symptoms can be improved by improving the way of eating, such as concentrating on eating and not talking while eating. 2. Somatoform disorder: Somatoform disorder is a psychiatric disorder in which the patient may be overly concerned about his or her own condition and may experience hunger even when the stomach contents are large enough. Symptoms can be relieved through psychotherapy, such as positive mental stimulation and distraction. 3. Gastritis: When inflammatory lesions occur in the stomach, the inflammatory cells in the body may release some inflammatory mediators, which may cause stimulation to the nerves of the stomach lining, resulting in the feeling of hunger even after eating a full meal. Symptoms can be relieved by medication, such as oral omeprazole, rabeprazole, ranitidine and so on. When the situation of having hunger pangs even after eating a full meal, you should consult a doctor in time and improve the X-ray barium meal, psychological intelligence test, gastroscopy and other examinations under the guidance of the doctor to clarify the cause of the disease and actively treat it.