It is very difficult to take the doctoral examination, the number of doctoral students is limited, and the requirements for scientific research level and scientific research results are relatively high.

At present, the number of master's enrollment in China is increasing, but the number of doctoral students is strictly controlled, and each doctoral tutor may only take a few students. With such a small number of places, it is natural to recruit the best students with the strongest scientific research ability. The screening process is strict, the admission requirements are high, and the examination is very difficult.

Postgraduates applying for postgraduate entrance examination need to produce two or three papers and publish them in core journals with high recognition. The requirements for quantity and quality are relatively high, but many masters' academic achievements can not meet the requirements, so they are not eligible to apply.

Extended data:

There is no unified examination for postgraduate doctoral examination, and the conditions for entering the examination are as follows:

Doctoral exams are divided into spring exams and autumn exams. Generally speaking, the spring exam is held in March and students enter school in September. The autumn exam will be held in 10 or10/month, and students will enter school in March of the following year.

However, the doctoral examination is organized by various schools, and the specific examination time varies from school to school. Some schools take two exams and two admissions, some schools take one exam and one admission, and some schools take one exam and two admissions.

The time for taking the exam is mainly divided into the following parts:

1, determine the school time.

2. It's time to contact the tutor.

It's time for English preparation.

4. Preparation time of specialized courses. In fact, from the arrangement of these times, everyone can know the preparation process of the whole exam. There is no fixed time to determine the school and contact the tutor. But in the whole examination process, it is the most critical time to decide whether it is successful or not.

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