Siyan Liu, formerly known as Liu Siwei, was born in Wuhan, Hubei Province. He is an actress in mainland China, a graduate of the 2000 Central Academy of Performing Arts, an actress of the Television Arts Center of the People's Liberation Army Air Force Political Department, and an agent of Tianjin Jiahui Entertainment Broker Co., Ltd. In 2002, for the first time participating in the military film "The Soldier's Wedding." In 2004, she participated in the modern urban emotional drama "Migrant workers" for the first time. In 2006, the military drama “Vertical Strike” was based on airborne and anti-airborne. In 2007, a military sitcom "Health team's story" was shot. In 2009, he shot the youth inspirational drama "Fifth Space". In 2010, he shot a contemporary military comedy "The Story of a College Student Soldier" and won the 24th "Jin Xing Award" Best Actor Award for the "Liu Ya Nan" corner. In 2011, he shot a medical drama "Touched life". In 2012, he appeared in the Navy TV drama "Blue Fire Blade." In 2013, the anti-Japanese drama "Great Wall Red" was modeled after the massacre of Pan Jialuo in Fengrun County, Tangshan City, and was later appointed as Ambassador Pan Jiaxuan. In 2015, the modern urban light comedy "My Children Can Be Taught" was filmed at the end of the year in Shanghai. In 2017, he joined a scene series comedy "First Army Inn", which was shot by Gao Yalin and described the re-employment of veterans.