The dancer, 62, has been head judge on the BBC ballroom show since 2017 and has been open about facing criticism online.
Speaking on the How To Be 60 podcast, she shared that she had talked to her son about whether she wanted to continue on the programme.
And she revealed they had come up with a list of rules for her if she was staying on the show.
“The social media last year was second to none, it was pretty tough,” said the star.
“I remember being in work one day and reposting something that somebody had posted just because I was so furious with all the horrible messages I was getting.
“I reposted it and then this gentleman got trolled. He got in touch with my team. In the end him and I ended up speaking on the phone because I didn't want him to suffer if you like.
“And he said to me, 'I'm so sorry, I wrote that, but you sent somebody home that we really loved and I just got on there and I ranted'.
"I said, 'Well you were just maybe one rant too many for me'.”
Ballas went on: “This year I will have somebody else doing my social media and I won't be privy to all that because it did really affect me last year."
The star said that she had talked things over with her son Mark.
“We had a whole sit down about the whole thing - ‘Do you want to do Strictly again, you know, what were the downfalls, pitfalls for you mum?’” she said.
“He was absolutely fantastic, and he said, ‘You know, look, everybody gets it mum, it doesn't matter who you are, what level you are, if you go on social media somebody is going to be trolling, sitting on their computer, it makes their day to make you miserable’.
“He said, ‘So if you want to take Strictly back, these are the rules that I would follow if I was you’.”
Ballas said the pair and Mark’s wife talked it over at length and that afterwards she felt “much better”.
She explained that after the Strictly tour she took a break and turned down a lot of things while she cleared her head and thought about what she wanted to do.
She went on: “'Do I want to continue, don't I want to continue?' And my son helped me with that. I feel in a much, much better place.”
Watch: Strictly's Shirley Ballas feels rejuvenated after non-surgical facelift