Red underline wavy lines and red exclamation marks appear in Eclipse

Always use eclipse to write Python, always see some strings are given the red wavy line,

It's uncomfortable to look at. Got long time finally eliminated, it turns out that the spelling checker

Windows->preferences->general->editors->text editors->spelling will enable spell checking cancel.

And there's a hint of a yellow exclamation point.

Window>>preferences>>general>>editors>>text editors>>annotations
Select the warnings on the right to remove the next tick.