Sweating at the back of the neck: 1, may be due to nervousness, excitement and intense stimulation, so that the sympathetic nerve excitation, the emergence of the back of the neck sweating, which is a normal physiological phenomenon. 2, there are also environmental factors, due to the hot weather or in the high temperature, high heat environment, can also lead to the back of the neck sweating. 3, some cardiac insufficiency, renal insufficiency patients, easy to in the cardiac insufficiency seizures Some women who have reached menopause are prone to sweating at the back of the neck.5. Lack of certain trace elements or calcium deficiency, especially in infants and young children, can cause sweating at the back of the neck.6. If you suffer from lung cancer or liver cancer, and you are physically weak, you will also have sweating at the back of the neck.7. Certain infectious diseases, such as tuberculosis, can easily lead to night sweats in the middle of the night and sweating at the back of the neck.8. When diabetes is caused by vegetative disease, it can also lead to sweating at the back of the neck. 8, when diabetes caused by vegetative nerve dysfunction or hypoglycemia, will also appear after the neck sweating. 9, some people suffer from hyperthyroidism will make the sympathetic nerve excitation, basic metabolism enhancement, will also cause after the neck sweating. Therefore, if the symptoms are not relieved within a short period of time, you must go to the hospital in time, improve the relevant examination, and choose reasonable treatment methods after diagnosis, do not delay the condition.