Qing Emperor Gaozong Aixinjueluo Hongli (September 25, 1711-February 7, 1799), the sixth emperor of the Qing Dynasty, and the fourth emperor after entering the Pass. The reign name "Qianlong" means "the prosperous way of heaven". Ascended to the throne at the age of 25 and reigned for 60 years. After the Zen throne, he served as the Supreme Emperor for three years and four months. He actually exercised the supreme power of the country for 63 years and four months, which is the longest time in Chinese history. The long emperor is also the longest-lived emperor in Chinese history.