Not difficult. The three majors of the Plant Protection Institute, namely, pesticides, insects and plant diseases, are not difficult. If you want to take the exam, you should review it in a down-to-earth manner. Specialized courses in our school all have remedial classes, such as biochemistry 80 1, plant physiology 802, advanced mathematics 635 and chemistry 6 12. You can go to Nannong PubMed Street and ask the seniors who have been admitted.