The reasons for sweating during meals include environmental factors, dietary habits, physical fitness, and pathologic factors. 1. Environmental factors: the environment is too high temperature, during the process of eating, the body metabolism and blood circulation speed up, which will lead to sweating phenomenon obviously, resulting in sweating while eating. This is a normal phenomenon, and the above symptoms will be relieved on their own after moving away from the high temperature environment, without special treatment. 2. Dietary habits: If you like to eat too much fat, high calorie or spicy food, it will easily lead to an increase in body temperature and sugar content, resulting in sweating with meals. You need to change your bad eating habits, try to eat a light diet, and exercise properly to improve your immune system. 3. own constitution: old and weak, sick people, because the body is weak, or too obese people, will also cause the phenomenon of sweating when eating. It is recommended to pay more attention to rest, avoid overwork or exercise, eat easily digestible food, and develop the habit of chewing and swallowing slowly. 4. Pathological factors: hypoglycemic episodes due to a sudden drop in blood glucose stimulate sympathetic nerve excitation, cold sweat, tremor of the hands and feet; hyperthyroidism, the patient’s body metabolism is higher than normal, which will cause sweating during meals. Sweating during meals, excluding environmental factors, dietary habits, it is recommended to consult a doctor as soon as possible, after the cause of the disease is clear and active treatment, so as to avoid delaying the condition.