In fact, this is very similar to the earliest western idea of advocating individual rights. Western propaganda is that personal private property is sacred and inviolable, and they are from the perspective of capitalism. However, Li Zhi emphasized individual freedom of thought. At that time, it was in the late Ming and early Qing dynasties, and personal thoughts began to be greatly suppressed. The imprisonment of thought means the loss of freedom for Li Zhi. He believes that only individuals with private thoughts are truly democratic and free (with early democratic color). In modern society, it also has important practical significance. Only when individuals have their own ideas can they not stick to the rules and human society progress.