He added that some experts say it is wise to keep certain images up because they can also help people find support.
He admitted he would not let his own children view some graphic examples.
Molly Russell took her own life in 2017. When her family looked into her Instagram account they found distressing material about depression and suicide.
Her father says
"I can tell you firstly we're going to look at this from top to bottom, change everything we're doing if necessary, to get it right," Sir Nick said.
However he added that the advice of these experts is not to ban all content of this Nature .
". . I know this sounds counter-intuitive, but they do say that in some instances it's better to keep some of the distressing images up if that helps people make a cry for help And Then get the support they need," he said.Facebook's taxes Sir Nick Clegg also addressed an audience at the Solvay Library in Brussels
Following his interview with BBC media editor Amol Rajan , Sir Nick gave his first public Speech since his surprise appointment, announcing The Creation of an external body to help Facebook users challenge decisions made about flagged content.
He said he supported tech sector regulation and agreed with Facebook founder Mark Zuckerberg 's view that "Facebook should not make so many important decisions about free expression and safety on its own".
But he defended Facebook's business Model - of using personal data to sell targeted advertising, rather than charging users a subscription, which some would be unable to afford.
"The data-driven economy is here to stay and we have to find ways of managing its harms while preserving its benefits," he said.
"It is, for better or worse, how The Internet works.
"Underlying a lot of the criticisms of Facebook's business Model is the assumption that advertising is inherently exploitative.
"I don't share that view. There is such a thing as responsible advertising. "
Sir Nick added he had seen "many changes" at Facebook since he joined in October 2018.