Sweating in the neck is a physiological manifestation of restricted hyperhidrosis, which varies in the development of the body in different people. The degree of sweat gland development also varies from person to person. Neck sweating occurs because the sweat glands in the neck are better developed and can occur when eating spicy foods or during mood swings. In addition to individual differences, abnormalities in the function of the vegetative nerves can also cause excessive sweating in the neck. Most patients do not need medication and can reduce sweating symptoms with proper physical exercise to maintain a healthy body condition and avoid physical weakness. Individual patients may be prone to sweating due to calcium deficiency and show physical weakness, which can be clearly diagnosed by blood ion examination and timely treatment to improve the symptoms.