In 2003, the director Zhan, who worked in a restaurant, introduced him to an advertising company and officially started his personal acting career.
In 2004, Li Jiaying won the first prize in the beautiful girl selection unit of Zhong Shi variety show "Let me guess".
In 2005, Li Jiaying appeared in her first film and TV series. She co-starred with Lin Youwei, Lan Zhenglong and Yang Yuxin in the youth love drama 45 Degrees Blue Sky. In the same year, Li Jiaying also appeared in the urban drama Extreme Ironing Board.
In 2006, Li Jiaying co-starred with Ming Dow, Bai Xinhui and Jiang Yi in the urban idol drama Angel Lover. In the same year, he also cooperated with Shu, Wang and Sun Xing in the urban drama Mike, Go! As a strong and cheerful heroine, Huang Shaoxuan, Li Jiaying was nominated for Best Actress in the Asian TV Festival and Best Actress in the 4 1 Taiwan TV Golden Bell Award.
In 2007, Li Jiaying collaborated with Lu Jiaxin and Zhang Yongzheng on his first film, The Man Who Walks Through the Wall, and Li Jiaying won the actress award specially recommended by the jury of Taipei Film Festival.
In 2008, Li Jiaying co-starred with Lin Weijun, Hans Zhang and Su Mingming in the modern emotional drama "Spring Breeze Accompany Me"; In the same year, Li Jiaying also cooperated with Wen Shenghao, Yang Jinhua and Xu Anan in the historical war film 1895.
In 2009, Li Jiaying co-starred with Jiro Wang, Cyndi Wang and Kevin in the urban love drama Little Peach Blossom. In the same year, Li Jiaying co-starred with Ann Lee, Pengfeng Wu and Qiu Zurui in the family ethics drama Love the Lord's Wish. In addition, Li Jiaying also cooperated with Tian Ming, Xiao Yao and You Zhixiang in the TV series The Lost Glass Beads.
On 20 10, Li Jiaying was nominated for the best actress in the 45th Taiwan TV Golden Bell Award for her leading role in the mini-drama "Seeing Heaven". In the same year, Li Jiaying also co-starred with Yang Youning, Ceng Baoyi and Guo Shuyao in the family idol comedy Niyada.
20 1 1, co-starring with, and Feng in the gourmet love drama "Cooking Lovers' Dream", in which she plays the beautiful and generous heroine Li Anan; Subsequently, Li Jiaying co-starred with Huang Tenghao, Juan An and Huang Xiangyi in the urban emotional drama "Tender Feelings". In the same year, Li Jiaying also appeared in the modern drama "Wandering Bamboo Forest"; And starred in the romantic movie "What Did I Do Wrong That Year".
In 20 12, Li Jiaying played Charlotte, the heroine of some princess diseases, in the romantic comedy Pink Love You starring Lan Zhenglong, Zhou Tanghao and Bai Zixuan. In the same year, Li Jiaying and Zhang Shuhao starred in the romantic drama The Blessing of Kites.
In 20 13, Li Jiaying, He Siai and Zhong Chenghan co-starred in the inspirational drama The Hedgehog Boy in L City, in which she played the pure and lovely heroine Xia Yujing.
In 20 14, Li Jiaying co-starred with Zhang Shuhao, He Yihang and Chen Nairong in the modern family warmth drama "Daddy who didn't grow up", playing his first mother role, Pan Xiuhui.
In 20 15, Li Jiaying co-starred with Danson Tang, Jolin and Wang Siping in the urban love idol drama "Murphy, This is Love", playing Guan Xiaotong, a conservative love doctor who is full of expectations for love.