In May 2005, Liu Wei participated in the second Lycra My Style Show and won the championship in the finals held on the evening of September 10.

In October, recommended by Dragon TV and Shangteng Entertainment, Liu Wei participated in the Global Chinese Rookie Singing Competition and won the championship again in the finals on October 23.

Won the Global Chinese Rookie Golden Microphone Award. This award marked the beginning of Liu Wei's acting career.

In February 2006, based on Liu Wei's acting style, characteristics and strengths, and the origin of the Korean ethnic group.

Liu Wei went to South Korea to learn singing, dancing, and recording, and became an apprentice to Korean producer Park Jinyoung.

While in South Korea, Liu Wei recorded his first single "I Do". The song was re-created by Mr. Chen Yaochuan based on the artistic conception and pronunciation of the Korean version of "I Do".

Liu Wei, who returned from studying in South Korea in October, released the single "OOH" and filmed the MV.

On December 7, Liu Wei won the Bronze Award for Best Male Newcomer at the TVB8 Golden Song Chart Awards Ceremony.

In November 2009, he participated in the song movie "High School Musical" and played the role of Skinny Monkey in the movie.

Performed with Zhang Junning, Yuan Chengjie, and Ma Zihan***, and sang 5 interludes.

In April 2010, he composed the song "Yao Chucai" for the combination of male talents and female appearances.

Later, he partnered with Zhang Peng to host China's first online TV entertainment program "The Star Is Here".

In September, he released the single "Happiness Is..." and filmed the MV. He then served as the host of Campus Live, a global music tour, and appeared on the stages of major universities in China as a host.

In 2011, he composed the song "we are friends" for Wang Ruiqi. In November, he participated in the drama "Poetry of Post-Adolescence".

In February 2012, China's first food-themed TV series "Master Lin in Seoul" was broadcast. Liu Wei played the role of Park Junnan, Zhang Ruixi's younger brother.

Later, he participated in Shandong Satellite TV's singing legend program performing "Little Grass", "I Like Him" ??and "Whisper from the Heart".

In 2013, he participated in the urban comedy film "One Night Surprise" directed by Jin Yimeng, playing the role of Fan Bingbing's "boyfriend" Jiji.

Later, he participated in the TV series "Heart War" directed by Liu Jiacheng.

In December, he recorded the fifth season of "The Variety Show" and imitated Wu Mochou singing "Now".

In April 2014, the single "Love Who" and MV were released first, and then the first album "SomeOne" was released.

Later, Liu Wei sang the Chinese version of "In Summer" in the movie Frozen.

In November, Liu Wei participated in the movie "Surprises Along the Way" directed by Jin Yimeng. In the movie, Liu Wei played a "spare man" and staged a crazy trip for four people with Kan Qingzi, Jiang Jinfu, and Zhang Xinyuan, and participated in the creation

The theme song of the same name "Surprises Along the Way".

In January 2015, he participated in the military-themed TV series "Born to Be Perfect" directed by Liu Jiacheng, playing the role of Fang Nanjiang. After undergoing a series of training and baptism, he finally became a tough guy.

In February, he participated in the online costume mystery comedy "Detective Di Renjie".

On March 30, Liu Wei and Jia Ling released the single "Feeling Cute". Within a few days, the number of preview hits exceeded 10 million. The song sang out the pressure and cries of modern people and conveyed the positive energy of optimism.

In July, she played Yang Jiajia in the urban workplace emotional drama "Come on, Intern" aired on Jiangsu Satellite TV, opposite Zhao Liying and Zheng Kai, with a cute and humorous personality.

In August, he participated in the celebrity marriage and love reality show "Married in Ten Weeks" launched by LeTV. He also participated in Beijing Satellite TV's music mystery variety show "Who is the Singer" and partnered with comedian Jia Ling, and created and sang the comedy variety show "Comedy Class"

"Spring" theme song of the same name.

In January 2016, he participated in CCTV-3 "Chinese Good Songs Season 3" and sang the original song "Because You Are Fan Xiaoxuan".

The scene moved Fan Xiaoxuan herself and many listeners. This song carries a kind of nostalgia, a memory, a persistence and love. The song creation touches the deepest part of the heart, and it is Liu Wei's spiritual work.