English is the most widely used official language in the world and China has a large population of English learners.Varieties of problems in learning English,especially in learning English vocabulary,force us to find out a more scientific way of learning English vocabulary based on the consideration of communicative characteristic of language.This study focuses on the universal phenomena and problems in vocabulary learning,using investigation research and example analysis.It reveals the impacts of contextual factors on English vocabulary learning in three layers-meaning,culture and capacity.Co...