Pei joined Changchun Yatai at the age of 14 in 2007. He was promoted to Changchun Yatai's first team squad by head coach Shen Xiangfu in 2011. His impressive performance in the reserve team league earned him a chance to play for the first team. Pei made his senior debut for Yatai on 11 May 2011, in a Chinese FA Cup second round fixture against Tianjin Runyulong, which Yatai won 4-0, and Pei assisted the third goal for Wang Dong in the match. He made his Chinese Super League debut as a substitute in a 1–0 away defeat against Jiangsu Sainty 4 days later.[1] On 18 September 2011, he scored his first senior goal for Changchun in a 2–1 home victory over Guangzhou Evergrande. He scored the winning goal of the match in 84th minute, which ended Guangzhou's 44-league-match unbeaten run.[2]
On 1 July 2017, Pei transferred to fellow Super League side Tianjin Quanjian.[3] He made his debut for the club one day later in a 4–3 home win against Guangzhou Evergrande, coming on as a substitute for Wang Yongpo in the 89th minute.[4] On 24 April 2018, he scored his first goal for the club in a 3–0 away win over Dalian Boyoung in the 2018 Chinese FA Cup.[5]
