Pioneer Lao Liu is a Chinese-American policeman. He is well known by netizens for publishing his daily life as a policeman in the United States and telling American stories on a short video platform. Pioneer Lao Liu was born in Chaoyang District, a native of China.

Pioneer Lao Liu, formerly known as Liu Qing, was born in Beijing and his parents were from Beijing. Liu Qing went abroad to go to college and stayed in the United States as a policeman. In 20021March, the first short video of the short video platform was released. So far, the total number of fans of Pioneer Lao Liu has exceeded one million.