According to Baidu Encyclopedia, "Pulling Hands and Kissing Mouth" is a famous local folk song, circulating in Shaanxi and Shanxi provinces in China.
The original singer of "Pulling Hands and Kissing Mouth" is Yun Fei/Wang Erni, Yun Fei, born on August 27, 1978 in Tumet Right Banner of the Inner Mongolia Autonomous Region, graduated from the Inner Mongolia University College of Fine Arts, a singer, and a soloist with the Beijing Opera and Dance Drama Theatre.