On June 24, 2013, Zhang Junhao made his debut on Shandong TV's "I am a Big Star"[8]. Zhang Junhao's participation in "I am a Big Star" was purely by chance: in April 2013, Junhao's mother took him out for a playdate, and by chance, he walked onto the "I am a Big Star" audition site.
Junhao's first performance in front of the camera is "I'm a big star", in Zichuan auditions, the day Junhao's mom and dad took him to Zichuan to play, heard about the program to audition. Holding the idea of letting his son exercise, plus Junhao's sister also begged to see the program, the family went to the election site. "See the scene so many machines I feel nervous," Junhao mom said he had not seen so many shots, but also afraid of son dare not go on, "I did not think he was not afraid of students, singing quite good, sang a "Tibetan Plateau", the judges immediately like him, said he was cute. " [5]
Mom asked him, "Would you like to sing on TV?" Little Junhao nodded, the audition site, he sang and danced smoothly through the interview. Junhao's mother said she never forces her children to do anything, she will ask for their opinions, as long as they like, she will support. [7]
In 2014, Junhao participated in CCTV's "Colorful Chinese" program, performing a square dance called "Casual Dance", which won the applause of hosts Jet Li, Cai Ming and Zhou Libo, as well as the audience[9]. In the finals of the program, she performed the show "Double Sharp" with Dazhang Wei.
On April 26, 2014, he was invited to participate in the Hunan TV variety show Happy Camp.
But he is not Zhang Jie's son.