work at和work on有什么区别

work at和work on的区别如下：

1、work at 侧重于指在某个地方工作或在某个工作领域研究。

【例句】How long have you been working at the bank?你在银行里工作多久了?2、work on 的意思侧重于从事（某项工作），继续从事。【例句】He has been working on a new novel for over a year now.近一年多来，他一直在写一部新小说。

3、work on 还能表示 影响，对…起作用【例句】This medicine works on him.这种药对他起作用。