Prior to debuting in South Korea, Fei appeared in a dance audition show at Zhejiang TV in 2009 and became a member of the project group, Sisters, the Chinese version of the Wonder Girls.

Over the next several years, the group released a series of successful albums and singles, including "I Don't Need a Man," "Hush," "Touch," "Only You," and "Good-bye Baby" etc.

[5] That same year, she made a cameo appearance in the SBS drama Temptation,[6] and contributed the song, "One Summer Night," featuring 2AM member Jo Kwon, to the soundtrack.

For miss A's mini album 'Colors' (Chinese version), Fei made an attempt to write lyrics for the songs "I Caught Ya" and "Stuck".

Her discerning coaching style and candid critiques resonated with fans, sparking significant discussions on China's major social platforms Weibo and Bilibili.

[citation needed] In June 2020, Fei participated the female celebrity idol group reality show Sisters Who Make Waves (乘风破浪的姐姐), centered around the themes of women's empowerment and self-realization.

Featuring 30 celebrities aged 30 and above competing for a spot in a seven-member girl group, the show skyrocketed in popularity and became China's most-watched entertainment program for the year.

On August 12, 2021, Fei unveiled "Stalker 窥探者", the title track of her much-anticipated Chinese mini album "Fearless 不霏".

After its release, the song's music video amassed over 12 million views on Weibo in under 12 hour and received widespread accolades and rave reviews.

Inspired by Shakespeare's portrayal of the unconventional romance between Venus and Adonis, this song encourages people, especially women, to ardently pursue their love and passion.

[citation needed] Along with her music releases and presence on stage and in entertainment shows, Fei has diversified her career, placing a growing emphasis on acting.

In June 2023, the much-anticipated web series My Marvelous Fable (夏日奇妙书) aired on Mango TV, portraying Fei in the lead role as a whimsical best-selling writer.

The film amassed over USD $100 million in its first two weeks of release in China[13] and was premiered in Southeast Asia, the U.S. and the UK in August 2023, garnering even wider international acclaim.

In recent years, Fei has garnered millions of followers on major Chinese social platforms, such as Weibo, Red, Douyin and Bilibili.

Her credibility and wholesome image have fostered collaborations with an array of brands spanning beauty, clothing, footwear and food & beverage sectors.