Changxingjing 長行經 is a book on a card game written by Kong Jihan 孔繼涵 (1739-1784), courtesy name Tisheng 體生 or Bumeng 埔孟, style Honggu 葒谷, Nanzhou 南州 or Changping Shanren 昌平山人, from Qufu 曲阜, Shandong. His highest office was Director in the Ministry of Revenue (hubu langzhong 戶部郎中). He was interested in the Rites, astronomy, and published the series Weiboxie congshu 微波榭叢書 and Suanjing shishu 算經十書. His collected writings are called Honglü Shuwu ji 紅櫚書屋集.
His book describes the origins and rules of the game changxing boxi 長行博戲. It is found in the Weiboxie congshu.