For improving English language using capability of students,vocabulary can be the key and difficult point during the teaching of English. Vocabulary is the basic component of the English language. The mastery of vocabulary, in a sense, makes the strength of students English ability reflected. In traditional vocabulary teaching, mechanical recitation and memorization are often used. Scaffolding Instruction is a distinctive teaching method, in which teachers build an educational framework for students then they find their own suitable way to le. Putting students in the main position is capable of improving students leing awareness and ability, which can also enhance their sense of cooperating with others, and stimulate students leing interest.