无论在明代初年还是在清代前期的移民运动中,长江中下游都是一个至为重要的区域。概括地说,明代初年,主要是浙江、苏南、皖南及江西人口向苏北、安徽、湖北、湖南地区迁移;清代前期,则主要是以闽西、粤东客家人为主体的人口迁入湘、赣、浙三省丘陵山地,湖南、湖北、安徽、江西及客家人迁往四川及陕南。本文以长江中下游地区为研究对象,本区人口迁往其他地区的不在讨论之列。本文的目的是研究移民迁入新地以后人口自然增殖 Whether in the early Ming Dynasty or in the early Qing Dynasty immigration movement, the middle and lower reaches of the Yangtze River is an area of ​​vital importance. In a nutshell, the population of Zhejiang, southern Jiangsu, southern Anhui and Jiangxi migrated mainly to northern Jiangsu, Anhui, Hubei and Hunan in the early Ming Dynasty. In the early Qing Dynasty, the population mainly consisted of Hakka in West Fujian and eastern Guangdong It was moved to hilly areas in Hunan, Jiangxi and Zhejiang provinces and moved to Sichuan and southern Shaanxi from Hunan, Hubei, Anhui, Jiangxi and Hakka. In this paper, the middle and lower reaches of the Yangtze River as the research object, the relocation of the region to other regions is not the list. The purpose of this paper is to study the natural population multiplication of immigrants after they move into new land