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This paper aims to examine New Economics of Labor Migration (NELM) in the northwestern Guangxi,China and investigate the relationships among rural-urban migration, rural household income and local geographicalcontexts. Stratified sampling and typical case study were adopted and 236 questionnaires were collected from four vil-lages, Daxin, Lixin, Longhe and Yongchang. We analyzed the rural-urban migration rate, household income and localgeographical factors, focusing on the ratio of remittance income to total household income. Data descriptions and sta-tistical methods, such as Pearson Chi-square test, Contingency coefficient, Eta, Pearson correlation coefficient, t-test,multiple comparisons (LSD test, Tamhane T2, Dunnett T3 and Dunnet C test) were used. The results are as follows.Rural households'income is diversified in survey villages so the motivation of rural-urban migration in the study areacan be partly explained by NELM. The migration rate of households (the percentage of households with migrants insurvey households) in survey villages varies from 50% to 86%, while the proportion of remittance income to house-hold income is in the range of 30% to 80%. In the village of Yongchang, with the least average arable land area perhousehold, the remittance income plays a vital role in household income (80%). And the statistical findings show thatthe proportion is significantly and negatively correlated with arable land area per household. The conclusion is that di-rect effect of migration, i.e., the contribution of remittance to household income, is negatively correlated with the con-tribution of resources to local income.