Prince Harry began his visit in the United States to meet Michelle Obama attend the event and respect for the women soldiers in the White House.
The event is celebrated as Mother's Day in the United States, involving about 50 children who make gifts for their mothers.
The presence of the prince to be a surprise in the event. He then helped the kids make a gift bag containing a bouquet of roses, food-shaped jewelry, and baked chips.
Michelle Obama, along with Vice President Joe Biden's wife, Jill Biden, hosted the event as part of the Joining Forces, an initiative that invites Americans to support the military and military families.
The White House is a historic place for the mother of Prince Harry, Princess Diana. In 1885, Princess Diana-the-official visit had danced with John Travolta at a dinner made by President Ronald Reagan.
Visit the exhibition
Prince Harry also visited the exhibition were made by the Halo Trust, an anti-landmine charity, which is supported by his mother. In 1997, Princess Diana visited a land mine in Angola that has been cleared by the charitable group.
Harry became supporters of the 25-year anniversary of Halo Trust this year.
Exhibition also features photographs detailing the story details landmines, including the amputation of the victim. The images come from a variety of countries including Sri Lanka, Angola, and Afghanistan.
Marketing Manager of Halo Trust, Fiona Willoughby, welcomed the arrival of Harry. "People have forgotten and we feel the steps to follow in the footsteps of Prince Harry's mother is a very valuable step, and can help spread our mission."
"He was a soldier, he's been to Afghanistan so understand landmines. Conflict and he understands mine clearance is needed."
Prince Harry has previously been promoting charity work in Mozambique in 2010. He detonated a landmine under the supervision and visiting victims.
During a visit to the United States for one week, Prince Harry will also promote charitable institutions, as well as attending the Warrior Games, an athletic competition for wounded soldiers on the battlefield.