Liu is also an author, and, together with two of his brothers, has published novels of ancient Chinese rovers practicing martial arts under a pen name called "Shangguan Ding" (上官鼎).
Liu juga seorang penulis, dan, bersama dengan dua saudaranya, telah menerbitkan novel-novel Cina kuno tantang pejuang yang berlatih seni bela diri di bawah nama pena.