Shenzhen Sha Tau Kok is a special border Special Administrative Region of the whole country. As a special zone in Shenzhen，Shenzhen has formulated management regulations for the Special Administrative Region of the Sha Tau Kok border through special administrative region legislation. It analyses the background，necessity and main contents of the legislation，and the significance and Enlightenment of the legislation，which provides a different perspective for the study of SAR legislation.