For a long time

there have been many opinions about the location of Xuanzhong(GB39) point in the academic field. The author analyzed the location of GB39 in the main acupuncture literature in ancient times

textbooks of universities and colleges of traditional Chinese medicine after the founding of the People's Republic of China

national standards and more influential acupuncture works. From ancient times to the evolution of the location of the point

it is believed that the point should be located 3 cun above the lateral malleolus

between the tibial anterior ridge and the anterior edge of the fibula.