After a year as First Lady, she undertook her first lead role in an administration wide initiative. Her goal was to make progress in reversing the 21st century trend of childhood obesity. She stated that her goal is to make this effort her legacy: "I want to leave something behind that we can say, ‘Because of this time that this person spent here, this thing has changed.’ And my hope is that that’s going to be in the area of childhood obesity."She has named the movement "Let's Move"
As First Lady she also supports military families, helps working women balance their careers and families, encourages national service, promotes the arts and arts education, and fosters healthy eating and healthy living for children and families across the country. Additionally, she has earned widespread publicity on the topic of healthy eating by planting the first White House vegetable garden since Eleanor Roosevelt served as First Lady.