The college entrance exam has plum rolls. It is the order of the answer key that is different, the order of the questions in the exam, the order of the questions and the options is different. Sometimes the different question papers from province to province are also known as Plum Blossom Papers. The purpose of plum paper is to prevent plagiarism and cheating in the examination hall and to ensure fairness and equity in the examination. Plum blossom papers are characterized by the same subjects, a wide variety of papers, and an irregular and non-uniform format of the papers, so that cheating candidates are loosely tied even to their answers. Nowadays, the exams are generally such a similar paper, but the exams and the entrance exams are different, except for the examination paper to participate in the unified examination in a similar way to prevent cheating, other from the proposition of the course have such a form. The general question paper is also a change in the order of the options, how much the overall structure of the question paper is similar.