The second season of the Korean drama "Witty Doctor Life" is currently airing, and the child star Kim Joon, who plays The son of Cao Zhengyi, is much taller, but still very comedic. Jin Jun is only 7 years old this year, and after becoming popular, he became the darling of advertisers, successively filmed 17 ads, and also filmed cookie advertisements with his father Cao Zhengyi in the play, which can be said to be the most popular "son" at present.

Left: Jin Jun's performance of "The Life of a Witty Doctor" became popular, and the advertisement could not be finished. Right: Jeong Hyun-joon plays Lee Bao-young's son in "My High World".
Jin Jun debuted as a restaurant son in "Save Me 2", and the following year became popular with "Witty Doctor Life", was invited to voice the cartoon, and took over well-known food advertisements such as McDonald's and Oreo biscuits, shooting a total of 17 ads.
Xu Yuzhen
5-year-old Xu Yuzhen has a pair of beautiful big eyes, in the Korean drama "Harrow Break, I am a ghost mother" to play Kim Tae-hee's daughter, many people later learned that this cute baby is a boy. Seo Woo-jin, who played Han Ji-min's son in the Korean drama "Dazzling", will dress up as a woman in "Ghost Mother" because the crew feels that he is too much like the heroine Kim Tae-hee when he was a child.
Park Joo-yee
9-year-old Park Chao-yee is a prolific child star who played Park Min-young's childhood, represented by the young Ha Ji-won in the movie "Priceless Bao", and the daughter of Hwang Hyun-hyun who swore to die in the movie "Devil's Showdown". She also played the little sister near the villain's house in the TV series "Law School", and in "MOUSE" she was a little girl who was kidnapped by Ahn Jae-wook and involved in the murder, with a pair of eyes that are super dramatic.
Also 9-year-old Jung Hyun-joon, whose role is mostly noble, once played Lee Min-ho in "The King: Eternal Monarch", later played the son of a high-class family in the Korean film "Parasitic Upper Class", and recently played the son of Lee Baoying in "My Upper World", known as "High Class Son Professional Household", which is expensive.
Zheng Xianjun took over the endorsement of a well-known mask brand this year, and after the latest advertisement was exposed, his handsome appearance was accused of resembling Jiang Dongyuan. The mask brand sent out a tidbit clip of Zheng Xianjun's shooting process in IG, he changed into multiple sets of clothing, matched different hairstyles, and wore a mask to let fans focus on a pair of charming eyes, and easily controlled different styles such as handsome, cute and lazy at a young age.