History has seen many Empires, their prosperities and downfalls. There were Empires, which had controlled great territories, had amazing culture and had left the great trace in the world history. In general almost every empire had the same story, but the two most significant empires were Roman and Chinese empires. The two had left most enormous traces in History. Roman and Chinese empires had many similarities and differences, but the Roman Empire lasted for only 500 years, while Chinese empire lasted for about 16 centuries. Actually Chine as an Empire had never ruined, it just transformed into a Republic of Chine in 1912. There was simple advantage of Chinese empire over Roman that made it everlasting, China as an Empire was united not only by the laws and military force but also by the culture, ideology and religion, what made Chinese empire one whole nation, whereas Romans were only united by the military forces and not by the cultural heritage that made Chinese empire so united. There are many theories why did Roman Empire collapsed, some of them might seem stupid for example some people think that Romans went crazy because they used led in pots and they ate food which was cooked in pots made of led, so they were poisoned by led and that’s why this huge Empire ruined. Despite these kinds of theories, almost every scholar and historian says that Rome failed as an Empire because of military exhaust, the new religion in the Empire, the division of society, economic crisis and bad leadership, but the main reason why Rome could not stand the moral and economic crisis was the lack of cultural identity. As it was already mentioned Rome was a unification of countries by strict laws and