What does it mean to come into this world?

"Come to earth" means: the immortal was born in the world and came to the world.

Extended data:

In order to educate the world and save the declining Buddhism, Dragon Lohan was brought to the world. In the first biography of Jigong, he explained the reason why the dragon Lohan came to the world, that is, "I came for Buddhism." The so-called degree of the world is the degree of the world, that is, the degree of all beings. In the Song Dynasty, Buddhism declined, and the Tathagata ordered the reincarnation of the miraculous dragon-descending arhat to save the declining Buddhism.