Every member of the girlhood entered Bai from various drafts and worked as an intern in SM Entertainment Company in South Korea. Before her debut, she received long-term professional training in SM Company. Among them, Jessica (now retired) has been training in SM Company for seven years and six months, and she is the longest training member in her girlhood. The average age of her teenage debut is 17 years old.

2, 4 minutes

4MINUTE is a popular female singing group launched by Korean CUBEEntertainment in 2009. It consists of five members: Nam Ji Hyun, Xu Jiayun, Jeon Ji Yoon, Kim Hyun-a and Kwon Su-hyun.

3、EXID

EXID is a women's group founded in 20 12 by Korean music producer Xin Sha Dong Hu, and now it is composed of Solji Xu, Hyo Jin Ahn, Hani, Xu Huikui and Jung Hwa Park.

4, 4 minutes

4MINUTE is a women's group launched by Korean CUBEEntertainment Company in 2009. It is composed of Nam Ji Hyun, Xu Jiayun, Jeon Ji Yoon, Kim Hyun-a and Quan Su-hyun, and its style is mainly candy punk.

5. International organizations

I.O.I (full name IdealOfIdol) is a women's singing group launched by YMCEntertainment in Korea in May 20 16. It consists of 1 1 members: Lin Narong, Jin Zhongxia, Se Jeong, Chae Yeon, Quirkin, Yu Lianjing, Shao Youqing, Kangmeina and Jin He.

6、AOA

AOA is a women's group under South Korea's FNCEntertainment, and it is the first women's group launched by the company. It consists of Shen Zhimin, Park Joo-ah, Yu-Na Seo, Shen, Quan Min-ah, Jin Shuoxian, seven all-stars and a half-day ambassador.