Wong Tai Sin or Huang Daxian () is a Chinese Taoist deity popular in Jinhua, Zhejiang, and Hong Kong with the power of healing. The name, meaning the "Great Immortal Wong (Huang)", is the divine form of Huang Chuping or Wong Cho Ping (; c. 328 – c. 386), a Taoist hermit from Jinhua during the Eastern Jin dynasty.
Legend
thumb|Chisong Huang Daxian Palace in [[Jinhua]]
According to the text Self-Description of Chisongzi (; "Master Red Pine"), Wong Tai Sin was born Huang Chuping (Wong Cho Ping in Cantonese) in 328 in Lanxi, Jinhua, Zhejiang province. Western sources have him listed at c. 284 to 364 CE. He began practising Taoism at the age of fifteen after meeting an immortal or saintly person on Red Pine Mountain in his hometown. Legend has it that he was able to transform stones into sheep forty years later.