The purpose of this research is to compare <The three little pigs> and <The true story of the three pigs>, analyze the structure of an original fairy tale and a parody, and find out the features of a parody. <The three little pigs>, the original fairy tale, published in Woongjinthinkbig and <The true story of the three pigs>, the parody, issued in Borim are chosen as research materials. After analysing the structure of the original fairy tale and the parody, they have many differences such as plot, theme lesson, characters, a point of view style and setting. The features of the parody is to break literacy custom, come to open ending and help readers to sympathize with characters.