Graduation is difficult. Graduation of doctoral students is difficult to manage, because it is more difficult for doctoral students to study and research, and they need to publish big papers after graduation. It takes a long time to write a big paper, one or two years. From the experimental preparation, experimental process, data collection and experimental data processing, including collecting data through social investigation of social science, and then running the model. It takes a lot of practice. The process of writing a dissertation also requires careful consideration of writing, which takes a long time. In addition, the requirements for blind examination of doctoral thesis are very strict. If the quality of the thesis is not up to standard and the external exam fails, you are not eligible to apply for a degree defense, let alone get a degree. Therefore, it is difficult for Huazhong Agricultural University to graduate with a doctorate in agricultural management.