By analyzing the operation of Tianjin metro, this paper points out the insufficiency of turn-back capacity of Shuanglin Station and puts forward three schemes for improvement.

• 分析天津地铁运营的其体情况，指出双林站折返能力的不足之处，提出3种改进方案；通过方案比选，选定“在双林站前增加一条渡线”的可行性措施，可以彻底改善该站的折返能力。