釜底抽薪 Taken away the Firewood From Under the Pot

 釜底抽薪 Taken away the Firewood From Under the Pot

第19計　釜底抽薪: 從鍋底抽掉柴火。比喻從根本上解決問題。

Strategy 19: Removing the Firewood from Under the Cauldron:

This strategy involves removing the fuel from under the cauldron. 

It's a metaphor for solving a problem at its root.