"A Stranger" is a song composed and sung by Li Jian. The first edition was included in the album "Missing You" released by Li Jian in April 27, the second edition was included in the anthology "Picking up the Lights in Li Jian" released by Li Jian on September 23, 213, and the third edition was re-written and sung in "I am a singer in the third season" in 217.

Li Jian, born in Harbin, Heilongjiang Province on September 23rd, 1974, is a male pop singer and music producer in China. He graduated from the Department of Electronic Engineering in Tsinghua University, and is known as the "Music Poet" because of his elegant writing style.