During the meeting, Both the leaders discussed a wide range of issue including counterterrorism, defence, energy, and trade.
Trump also said that Pakistan could help play a role in stabilising Afghanistan after US pullout and suggested he could restore hundreds of millions of dollars in military aid to Pakistan "depending on what we work out."
"I think Pakistan is going to help us out," the president said. "Basically we're policemen right now and we don't want to be policemen."
Khan, who is on a three-day visit to the US, was accompanied by Foreign Minister Shah Mehmood Qureshi to the White House.
As per the schedule released by the White House, the meeting between the two leaders began at around 1205 pm (local time) and was followed by an expanded bilateral lunch at around 12.50 pm.