What is the customs clearance document of Xuanzang in the middle Tang Dynasty in The Journey to the West, and what is its function?

The Journey to the West's story is a household name in China. The Tang Priest and his disciples went west all the way, and after eighty-one difficulties, they finally reached the Western Heaven to meet the Tathagata Buddha, and finally the five saints realized their dreams.

"White hoof facing west, with three disciples of Tang Sanzang, learning from the Western Heaven Shinto, walking only tens of thousands of miles." It is estimated that many netizens can sing this childhood memory anime songs with the rhythm.

Practicing seventy-two changes, laughing eighty-one is difficult. The Journey to the West, Water Margin, Romance of the Three Kingdoms and Dream of Red Mansions are also called the four classical novels of classical literature. However, what did the Tang Priest in The Journey to the West write on the customs clearance document with the seal?

The Tang Priest and his disciples went through nine countries: Baoxiang Country, Wuji Country, Chechi Country, Daughter Country, Sacrifice Country, Zhu Ziguo, Lion Camel Country, Bhikkhu Country and Destroy France, plus three places, namely "Nine Countries and Three Places".

Some people may not understand this. Generally speaking, the Tang Priest started from Chang 'an, the ancient capital of the Tang Dynasty, which is Xi 'an today, and passed through Gansu, Xinjiang, Kyrgyzstan, Uzbekistan, Afghanistan, Pakistan, Nepal, India and other countries, with a journey of more than 1 10,000 kilometers.

Wherever he goes, the Tang Priest will take the customs clearance document to stamp it.

What does the customs clearance document do?

The customs clearance number is equivalent to the passport to go abroad at that time and the previous letter of introduction from China. In ancient times, it was necessary to show the customs clearance documents and then affix the national seal to pass.

There is a detail in The Journey to the West, that is, Tang Priest has a customs clearance document, while the Monkey King, Pig Bajie and Friar Sand have no customs clearance document.

Tang Priest's customs clearance document was specially approved by Tang Gaozong. Because the Monkey King and his disciples were not from the Tang Dynasty, they followed the Tang Priest to the Western Heaven to learn Buddhist scriptures, so there was no customs clearance.

China was in its heyday when Tang Priest went to the West to learn Buddhist scriptures. Seeing that the Tang Priest was from the Tang Dynasty, these countries did not dare to neglect him and let him go.