Sex and Zen (Chinese: 玉蒲團之偷情寶鑑, "The Carnal Prayer Mat's Stash of Illicit Love") is a 1991 Hong Kong erotic comedy film directed by Michael Mak and starring Lawrence Ng and Amy Yip. The film is loosely based on The Carnal Prayer Mat, a Chinese erotic novel by 17th century author and playwright Li Yu.