Yi Zhang Chun Tian Zhi is a fictional character in the film, which does not exist in reality. Just like the villain in IP Man's films, he is just a character created by the screenwriter, which enriches the plot of the film. In reality, IP Man has no record of fighting with him, but it is recorded that Zhang Tianzhi used the low-footed wing chun in the movie before IP Man's high-footed wing chun.

Wing Chun Boxing is a traditional martial art in China, a technology to prevent invasion, an active and streamlined self-defense system and a boxing method to legally use force. Compared with other traditional martial arts in China, it pays more attention to subduing opponents as soon as possible, so as to minimize the harm of the parties.

Wing Chun Boxing is a distinctive southern boxing based on the "midline theory", which emphasizes the flexible use of limbs derived from correct concepts, consciousness and ways of thinking. Its contents mainly include "thinking carefully", "finding a bridge" and "pointing". The main training methods are paired "fighting hands" and "fighting feet". Auxiliary equipment includes wall-mounted sandbags and three-star piles; Training equipment includes stakes, knives, sticks, etc.