1. The four Wulin masters refer to the four most influential Wulin masters in the history of China, namely: Situ Kong Xuan, Monk Hou, Jintai and Zhang Sanfeng.

2. There are four great masters in the history of China Wushu. Situ Kong Xuan is the first recorded martial arts master in the history of martial arts in China, and is respected as the founder of Emei martial arts by later generations.

3. Thick monk is the pioneer of Shaolin Wushu, the largest martial arts school in China, which is not well known to the world because of few historical records; Jintai was a martial arts wizard in the Northern Song Dynasty. He is the first legendary swordsman in China. He claims to be the best in ancient and modern martial arts. There is a saying that "the king can't compete with Xiang, the general can't compete with Li, and the fist can't compete with gold";

4. Zhang Sanfeng is a master of Neijia Boxing in China, the founder of Wudang Wushu, and is honored as the founder of Tai Ji Chuan by later generations.

These four people have a great influence on China's martial arts. Among them, Stuart was the founder of Emei Wushu, the later monk was the pioneer of Shaolin Wushu, Zhang Sanfeng was the founder of Wudang Wushu, and Jintai was later called the first person in ancient and modern Wushu.