Old sweating of the neck can be analyzed in two ways: First, normal sweating, also called physiological sweating. Second, pathological sweating. The so-called normal sweating means that in hot weather, indoor temperature is relatively high or after a lot of exercise, can be cooled down by sweating, discharging a large amount of body sweat to achieve the purpose of cooling. Also take into account the pathological situation, consider diseases such as thyroid disease, Chinese medicine believes that it is related to kidney deficiency and body deficiency, there may be a variety of reasons such as plant nerve disorders, Qi and blood deficiency, which can also lead to more sweating under the neck, so do not worry very much. Mental reasons are also important, long-term mental tension, psychological stress and other reasons, also easy to cause sweating, so keep a happy mood to relieve stress.