The Prosperity And Decline Of Shipbuilding Technology In Ancient China And Its Enlightenment

China is one of the country that the shipbuilding history is most glorious in the world. In a quite long phase of historical period, China's shipbuilding technology is at the world leading position. In the Qin and Han Dynasty time, the demanding of the overseas Silk Road and the war has urged the shipbuilding technology development, Appeared the first peak in the Chinese shipbuilding history. The Tang and Song Dynasty time has appeared the second peak in the shipbuilding history of our country ancient time, the ship-building industry development enters the maturation period. The prosperous overseas trade has provided formidable power for the shipbuilding technology development.After the two development peaks of Tang Song Dynasty time and the Qin Han Dynasty.The Ming Dynasty shipbuilding technology appeared the new leap, has mounted the ship-building industry development crest in our country ancient times.However, the policy of forbidding the overseas trade actually causes the developed Chinese shipbuilding technology rapid deterioration. The policy of forbiding the overseas trade has further hindered our country ship-building industry technological development in the Qing Dynasty earlier period 40 years, has caused our country rapidly droped from the ship-building industry peak, the shipbuilding technology development bogs down, even backs up, the ship-building industry seriously withers. Facing the formidable offensive ,the Qing Dynasty lacks of the ability to defense, has caused the aspect which our country modern times backwardness comes under attack.This article will review the shipbuilding technology prosperity and decline history in our country ancient times, and performed the reason analysis to it, obtained some enlightenment.