"Hey hey haha".

According to the QQ music query, Kung Fu Baby Bang Bang Bang is "Hey Hey Haha" sung by Wang Jingxuan. The relevant lyrics are: Sit like a bell and stand like a pine, Kung Fu Baby Bang Bang Bang, hold your head high and chest folded like a bow, fast like the wind Kung Fu Baby.

Release time: 2017-11-06.

Wang Jingxuan won the title of "Little Singer" from the Chengdong Bilingual Kindergarten in Shawan County, Xinjiang in 2014; in 2015, she won the Vocal Award in the "I Want to Go to the Food Festival" Folk Talent Competition of the 5th Dapan Food Culture and Tourism Festival Series in Shawan, Xinjiang

The second prize in the group; won the gold medal in Xinjiang's outstanding program in the "I Love the Motherland" large-scale children's cultural evening held by China Central Television's middle school student channel in 2015; won the 8th Winning at the Starting Line "Shining Star" National Youth Talent Competition in 2015

First Prize in the Vocal Music Group; the Most Influential Child Actor Award for the "Image Angel" of Travel TV's "I Love the Motherland" in 2016; the "Popular Baby" title of CCTV's "Avenue of Stars" in 2016.