As for Chinese students,the study of English vocabulary is a key problem.The plus and minus transfer of native language thinking can improve the study of vocabulary.The theory of psychology cognitive science shows us that we should strengthen the vocabulary study and memory from the subject and object at the same time.The study theory of constructivism points out the environment and key points of proper constructivism for the vocabulary studies of Chinese college students.And the strategy of vocabulary learning shows every learner a good way to learn vocabulary.Specifically,Chinese college stu...