Li Shu. According to Kugou Music query, the theme song of the TV series "Miracle Doctor Xilaile" is "Love in the World". The song was written by Yi Ming, composed by A Luo, and sung by Li Shu. It was released on February 1, 2003. Excerpt from the lyrics: "There is so much love in the world, it's hard to describe true love. I can have some certainty in my heart. You and I come and go, but who knows the final result." Singer Li Shu was born on April 25, 1967. She is a female singer from mainland China and a national first-class singer. actor. Her representative works include "A Lot of Love in the World", "A Long Journey", "Infinite Gratitude", etc.