They are not the same person, but they are both folk singers in northern Shaanxi. Ansai has a bright future, broad singing style, original ecology and authentic pop style. He can also express his songs in his own way. He is recognized as the most promising rising star in northern Shaanxi folk songs.

Liu, one of the top ten folk singers in northern Shaanxi, is an outstanding young folk singer in northern Shaanxi. Besides singing folk songs, Liu is also good at folk dances in northern Shaanxi and Ansai waist drum. The series of "Hengshan Image" with the characteristic culture of Hengshan as the background was successfully broadcast on CCTV Music Channel, which received rave reviews and attracted many authoritative media reporters and academic experts. This is the difference between them.