He first followed Pompeii (also translated as Pompeii) instead of Pompeii to manage the far Spanish provinces, followed Caesar after Caesar conquered the far Spanish provinces, and participated in the Spanish war as Pompeii in 49 BC.

In 47 BC, he was ordered to build the first national library. At that time, there were many private libraries, and books were copied by slaves. Caesar collected a large number of Greek Latin works for the use of ordinary citizens, and put Varo in charge of collecting, sorting and classifying them.

In 43 BC, Varo was deprived of his citizenship by Anthony, one of the last three leaders, but he was not sentenced to death. Instead, he was exiled and suspended, but his library and some poems were taken away.

After the civil war ended in 30 BC, he devoted himself to academic research and writing after his release.

He is one of the most learned men in Rome, a poet, satirist, Bo Gu scholar, jurist, geographer, grammarian and scientist. He is proficient in linguistics, history, poetry, agriculture, mathematics, etc. He also wrote works on education and philosophy. Apart from holguin, he was the most prolific writer in ancient times, with about 620 works. At the age of 78, he had written more than 490 papers and monographs covering a wide range of topics. He tried to master all Greek culture and transform it with the Roman spirit.