Parody is comic imitation of a piece of writing, as well as a way of word-formation.

The special vocabulary in English advertisements,such as words of coinage,misspellings,etc,can usually produce novel experience of pleasure in the mind of advertisement receivers and successfully publicize and promote the image of the advertised products by intensifying the attention value and the memory value of the said ads,thus stimulate the buying desire of the potential customers.

Reinterpretation can be classified into two categories,which belong to word coinage and language-using respectively.

This paper makes a brief summary of the research on the system of word coinage,tells the origin of the name,discusses three conditions that involve relationship between word coinage and word formation,analyzes several typical systems,and finally investigates new development of words creating method.