1. Meet the application conditions: Chongqing food safety certificate applicants should have corresponding academic background and work experience, and be at least 18.

2. Registration training: Qualified personnel can go to local training institutions for training. When registering, you need to provide personal identity documents, education certificates, relevant work experience certificates and other materials.

3. Attend the training: The training time is generally 2-3 days, mainly including food safety laws and regulations, food science, microbiology and hygiene, food safety management, food inspection and other courses.

4. Take the exam: After completing the training, you need to take the exam, including written test and practical exercise. The examination contents include food safety laws and regulations, food production and processing and food quality management.

5. Obtaining certificate: Those who pass the examination can obtain the certificate of Chongqing Food Safety Officer, and need to provide relevant supporting documents, such as identity documents and academic certificates.