To study the effect of non-agricultural employment on the income increase of reservoir immigrants is an objective demand in building a well-off society in an all-round way. It provides practical evidence for the implementation policies on rural land reform and precision poverty alleviation in China.The data of 1 246 households in 12 provinces in the western part of China show that rural reservoir immigrants have low per capita household income,unbalanced agricultural income,and relatively low non-agricultural income. The OLS and quantile regression comparison studies have verified that the non...