1. Weak professional foundation. In the entrance examination of master of law, the basic knowledge of civil and commercial law, constitution and other legal majors accounts for a large proportion. However, it is difficult for non-law students to systematically learn these legal professional knowledge in undergraduate course, which obviously becomes a disadvantage for them to compete with law students.

2. Poor legal thinking. Master of Laws students need to have the ability to divide legal relations and clarify legal logic. And this requires long-term legal study and training to gradually form. Non-law major candidates are relatively poor in this respect, and it is difficult to adapt to the learning requirements of graduate students.

3. Lack of experience in integrating theory with practice. The study of law major pays attention to the combination of theory and practice, and cultivates the ability of integrating theory with practice through case analysis. The study of non-law majors is mainly based on theory, so it is difficult to achieve the requirement of close integration of theory and practice like law majors.

4. Lack of legal research experience. The study and thesis writing of LLM require a certain understanding and application of legal research methods. Non-law major candidates are not familiar with the research methods and requirements of law major because of their previous study experience, so it is difficult to adapt well.

5. There is no systematic preparation guidance. At present, the enrollment syllabus and teaching materials of master of laws are mostly aimed at law majors, and the guidance for non-law majors is not systematic and comprehensive, which also increases their difficulty in preparing for the exam.

To sum up, LLM's non-law major candidates are more difficult to prepare for and study because of the gap in professional foundation, thinking mode and scientific research experience, so it is relatively more difficult to be admitted. This requires them to strengthen the study and simulation practice of relevant legal knowledge in the process of preparing for the exam, and gradually make up for these gaps.