The sweating of the neck while sleeping is generally caused by three reasons, for example: 1, because of plant nerve disorders caused by this condition. 2, because of the poor constitution caused by the symptoms of easy sweating. 3, may be the kidney Yin deficiency caused by this condition. If the neck sweats regularly, then go to check the trace elements to see if the body has a low calcium condition. If the neck is prone to sweating due to kidney yin deficiency, you can take some Chinese medicine under the guidance of your doctor, such as Yu Ping Feng San, or with the taking of Ping Feng Sheng Yue capsule can also be. You should drink more water, and pay attention to eat more food to reduce fire, do not eat spicy, stimulating food, to eat more fresh fruits and vegetables, through the conditioning can slowly improve.