Which emperor should be counted from in the middle of Qing Dynasty?

Gan Long 16 16, after the establishment of Nurhachi. 1636, Huang taiji changed his country name to Qing. 1644, Manchu entered Beijing as the capital, marking the beginning of the Qing dynasty's rule of China. 16 1 year, Michelle Ye (Kangxi) succeeded to the throne. He is a defender of China's unification of a multi-ethnic country, pacifying San Francisco, unifying Taiwan Province Province and perfecting China's territory. 1722, Yongzheng succeeded to the throne, which was further improved and developed on the basis of Kangxi. It can be seen that from 16 16 to 1735 before Qianlong succeeded to the throne, the Qing Dynasty was in the early stage of development and reached its peak. Moreover, Qianlong was the sixth emperor of the Qing Dynasty (Huang Taiji was renamed Emperor Puyi from the Qing Dynasty to the late Qing Dynasty, and the eleventh emperor). Third, from 6544 onwards, the Qianlong dynasty should be regarded as the beginning of the middle Qing dynasty, no matter from the perspective of prosperity, year number and time.