Here’s my advice, and it’s very simple:
Ignore the comments that are only filled with insults and rude words. That’s not constructive because it won’t help you improve. Delete them and don’t even bother worrying about them.
But accept the constructive criticism. You’ll know when it’s constructive because it will be polite and will suggest ways in which you can make your writing better. Take those comments to heart and learn from them.
Ignore the hate, accept the love and gentle criticism.
That’s it. :)