1. Education background: Applicants should have education background related to culinary arts, such as bachelor degree, junior college degree or relevant training certificate.

2. Work experience: Applicants need to have some working experience as a chef, usually requiring at least several years of relevant working experience. Specific requirements may vary according to specific positions.

3. Skills requirements: Applicants need to have certain chef skills, including professional knowledge in food handling, cooking skills, food safety and hygiene, etc.

4. Language requirements: Applicants need to have certain communication skills in English or Chinese in order to communicate with other employees and customers.

5. Health certificate: Applicants need to submit a health certificate to prove that they are healthy and will not pose a threat to the working environment and others.

Please note that the specific application conditions may vary according to the requirements of the employer and the job position. Therefore, it is best to communicate with the employer or relevant institutions to understand the detailed application requirements before applying. At the same time, I also suggest that you pay attention to the official website of the Hong Kong Immigration Department for the latest application requirements and procedures.