元代道士李道純精研丹道，著作甚豐，後世對其討論多置於內丹修煉與三教合一，然《寶顏堂秘笈》收有《周易尚占》，是一部占筮典籍，卻未有太深入之研究。《周易尚占》結合丹道講述《易》學占筮
Li Dao-Chun, a Daoist mastering Chinese alchemy and a prolific writer in the Yuan dynasty, is often discussed by later generations for his inner alchemy practice and