Instructor Lin Ziheng is one of the instructors in the training camp. He is the head of the bodyguard training camp in the program, responsible for guiding the players to carry out a series of training and challenges, and also giving them ideological enlightenment and guidance.

Instructor Lin Ziheng, formerly known as Lin Xiqiang, is a senior retired soldier and once worked as a border guard. According to the program, instructor Lin Ziheng deeply felt the importance of the country and the people since he was a child, determined to become a soldier, and later joined the China People's Liberation Army.