Mei Cheng (?-140BC), was a Cifu writer in Western Han Dynasty, styled himself Shu. His major "Ci Fu" work was "Qi Fa". The structure of it is using seven segments to state seven things and adding an overture in addition at the beginning to narrate the genesis. It connects each section by questions and answers between the host and guest. Such form originated by Mei Cheng was the forerunner of long Hanfu.