Acting alone: devoted to education and charity

Peng is also expected to act alone during Xi's state visit to the U.S.

Activities of the First Lady tend to focus on children, education and charity to promote development in those fields and to show a friendly image of China.

Peng Liyuan (C), wife of Chinese President Xi Jinping, kisses students while visiting the Tagore International School in New Delhi, India, Sept. 18, 2014. (Xinhua/Ma Zhancheng)

Peng also plays a role to promote China-made goods during Xi's state visit.

Peng gives cosmetics to the Women and Development Foundation in Tanzania as gift on March 25, 2013. (File photo)