1. Academia: Many postdoctoral fellows choose to continue their academic research in universities or research institutions. They can apply for teaching positions, become professors, researchers or lecturers, and continue their research projects. In academia, postdoctoral fellows can enhance their academic reputation and status by publishing high-quality research results.

2. Biotechnology companies: Many postdoctoral fellows choose to work in biotechnology companies. These companies are usually committed to developing new drugs, treatments or agricultural technologies. Postdoctoral students can be R&D scientists, project managers or senior researchers in these companies, and participate in product development and innovation research.

3. Government agencies: Some postdoctoral fellows choose to work in government agencies, such as health departments, environmental protection departments or agricultural departments. They can participate in policy formulation, project management and scientific research, and provide scientific basis and suggestions for the government.

4. Non-profit organizations: Some postdoctoral fellows choose to join non-profit organizations, such as international organizations, charities or environmental protection organizations. They can engage in scientific research, project management and policy propaganda to provide solutions to social problems.

5. Entrepreneurship: Some postdoctoral students choose to start a business and set up their own technology companies or research institutions. They can use their professional knowledge and skills to carry out innovative research and product development and seek commercial opportunities.