2017 China League One
The 2017 China League One was the 14th season of the China League One, the second tier of the Chinese [football league system|Chinese football league pyramid], since its establishment in 2004. The league's title sponsor was the e-commerce website 58.com.
Teams
A total of 16 teams are contesting in the league, including 12 sides from the 2016 season, two relegated from the 2016 Chinese Super League and two promoted from the 2016 China League Two.Team changes
To League One
Teams relegated from 2016 Chinese Super LeagueTeams promoted from 2016 China League Two
From League One
Teams promoted to 2017 Chinese Super League- Tianjin Quanjian
- Guizhou Hengfeng [Zhicheng F.C.|Guizhou Hengfeng Zhicheng]
Name changes
- Lijiang Jiayunhao F.C. changed their name to Yunnan Lijiang F.C. in January 2017.
Clubs
Foreign players
A total of four foreign players can be registered in a season; however, the number of foreign players is limited to three per CL1 team in the same time. Teams can use three foreign players on the field each game.Players name in bold indicates the player is registered during the mid-season transfer window.
| Club | Player 1 | Player 2 | Player 3 | Former players |
| Baoding Yingli ETS |  League tableAwardsThe awards of 2017 China League One were announced on 2 November 2017.
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