Panic and body weakness after eating may be physiological blood redistribution, caused by ischemia in the heart and brain area, or pathological factors such as pathologic hypotension, coronary artery disease, heart failure and so on. 1. Physiological factors: after eating, blood redistribution will be caused, more blood will flow to the gastrointestinal tract, and the blood return to the heart will be reduced, which may cause temporary ischemia of the heart and brain, and symptoms such as panic and body weakness may occur. 2. Pathological factors: If you are suffering from pathologic hypotension, hypotensive episodes may occur due to the redistribution of blood after meals. In addition, indirectly, myocardial ischemia may occur, leading to the onset of coronary heart disease, heart failure and other cardiac diseases, which may also cause palpitations and body weakness. It is recommended to take a proper rest after eating, usually after a period of time will gradually improve, such as no improvement, need to go to the regular hospital in time, to clarify the cause of the disease, standardized treatment under the guidance of the doctor, so as not to delay the condition of the body to bring adverse effects.