Based on the Push-Pull theory which explains population migration motive most thoroughly and synthetically,the paper constructed the push-pull model affecting the transfer decision-making for the peasant worker's settling down in city.Based on the model and author's evidence from the investigation in Wuhan City,empirical analysis are done on the rural pull and urban push factors affecting the transfer decision-making for the peasant worker's settling down in city.It concludes that the major obstacle for the peasant worker's settling down in city comes from the pushing forc...