cooperative understanding. According to the short video of the query vibrato, the relationship between Xiangxi Jiujiu and Niu Niu is cooperative, and they are both online celebrity on the vibrato platform and a member of the motorcade in all directions. Among them, Xiangxi went out to find her sister in 1999, and Niu Niu became popular on the Internet because of her exquisite appearance, superb technology and unique temperament. The two cooperated in shooting videos and usually released their works on the vibrato platform to attract fans' attention.