"Our current libel laws are a sham and a disgrace and do not represent American values or American fairness so we're going to take a strong look at that," he told reporters as he met members of his Cabinet.
In "Fire and Fury: Inside the Trump White House," author Michael Wolff has questioned Mr Trump's mental fitness, portraying him as child-like with a short attention span. Mr Trump had often complained about U.S. libel laws on the 2016 campaign trail.
"We are going to take a strong look at our country's libel laws so that when somebody says something that is false and defamatory about someone, that person will have meaningful recourse in our courts," Mr Trump said.
To prove libel, a public figure must show a writer or publisher acted with actual malice in publishing a false statement. Malice is either reckless or purposeful disregard for the truth.
Reporters would have typically been escorted out after a few opening remarks, but they were kept in the meeting for 55 minutes as Trump and his Republicans debated immigration policy and ideas with Democratic members.
On Wednesday in the same room when Mr Trump met members of his Cabinet, the president was ecstatic that TV networks had focused heavy attention on the immigration meeting.
"Some of them called it a performance. I consider it work," Mr Trump said.
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