Oral examination, interview, thesis defense. The postgraduate subjects of fishery development major in South China Agricultural University are: 10 1 Ideological and Political Theory, 204 English II, 340 Agricultural Knowledge Synthesis II, 867 Introduction to Aquatic Science. These four subjects cover political theory, English, agricultural knowledge and aquaculture. Through the preliminary examination, the school can evaluate the comprehensive quality of candidates and provide reference for the follow-up re-examination. Candidates who pass the preliminary examination will enter the re-examination session, and the re-examination subjects mainly include the following aspects: oral examination, interview and thesis defense. Oral examination and interview mainly examine candidates' oral expression ability, comprehensive quality and professional knowledge level. Thesis defense is to evaluate and show candidates' scientific research achievements in postgraduate stage. Through the re-examination of subjects, the school can fully understand the ability and potential of candidates, so as to choose the most suitable students.