Was there any large-scale population migration in China during the Kangxi period of the Qing Dynasty?

Huguang Filling Sichuan —— Large-scale Migration in Qing Dynasty. According to research, residents of more than a dozen provinces such as Jiangxi, Fujian and Guangxi are also among the immigrants. At the end of Yuan Dynasty and the beginning of Ming Dynasty, Chongqing and Sichuan experienced wars, resulting in a sharp drop in population. Therefore, a series of measures have been taken from the central government to the local governments to attract immigrants, among which Huguangxing Province has the largest population. Taking Chengdu, Sichuan as an example, it is recorded in the Overview of Chengdu in the late Qing Dynasty that "Chengdu people today are all from other provinces"; Among them, Huguang accounts for 25%, Henan Shandong 5%, Shaanxi 10%, Yunnan Guizhou 15%, Jiangxi 15%, Anhui 5%, Jiangsu and Zhejiang 10%, Guangdong Guangxi 10%, and Fujian.