The requirements for doctoral graduation from the Cancer Hospital affiliated to Sun Yat-sen University include the following aspects: 1. Complete all academic achievements and course studies in the postgraduate study stage and obtain qualified results in the required courses; 2. Complete the dissertation at the postgraduate stage and complete the dissertation defense as required; 3. Pass the strict comprehensive examination of subjects, and prove that their professional knowledge is solid and their comprehensive quality is high; 4. Publish more than 3 articles in SCI or discipline-related core journals, at least 2 of which are published by the first author or correspondent; 5. Assessment with development prospects and innovation ability, including frontier research ability, academic exchange and scientific research cooperation ability.