There are several cases of feeling hungry after eating for a while: 1, the blood sugar concentration in the body is too low, some people are hungry fast because there is a problem with the blood. The blood sugar concentration in the blood is lower than normal, so you will feel hungry, even after eating. 2, poor liver function, poor liver function may also lead to hunger. Because poor liver function will lead to a decrease in the liver’s ability to break down glycogen, when the body’s blood sugar concentration drops, there will not be enough glycogen to maintain physical activity, we have to consume the remaining glycogen in the blood, so there will be a situation where you feel hungry after eating for a while. 3, kidney problems kidney function decreases, it will lead to the intake of nutrients can not be well into the blood circulation, it will lead to the body in a malnutrition 4, excessive stomach fire, generally related to diet, often eat spicy will lead to excessive stomach fire. This will lead to a great increase in appetite, hunger will be enhanced, there will be no time after eating to feel hungry, and gum swelling, bad breath and other symptoms.