Neck sweating after eating is generally a normal phenomenon. In order to digest food after eating, the blood circulation of the human body will be accelerated accordingly, so it can lead to sweating in all parts of the body. Neck sweating after eating may be due to the fact that the neck area contains more sweat glands, so there is a lot of sweating, which is a relatively common physiological phenomenon. A small number of people after eating neck sweating, may be a pathological phenomenon, such as hyperthyroidism patients will lead to the body’s basal metabolic rate increases, after eating or under ordinary exercise, will lead to a lot of sweat. Excluding physiological and environmental factors, if persistent neck sweating after eating occurs, it is recommended to consult a doctor to help further identify the cause.