To become a Certified Nursing Assistant (CNA) in Qatar, you will need to follow these steps:

1. Meet the Eligibility Requirements: To become a CNA in Qatar, you must be at least 18 years old and have a high school diploma or equivalent. You must also be able to communicate effectively in English.

2. Complete a CNA Program: Enroll in a CNA program that is accredited by the Ministry of Public Health in Qatar. These programs typically take a few weeks to a few months to complete, and they include classroom instruction, clinical training, and hands-on experience.

3. Pass the CNA Exam: After completing your training, you will need to pass a CNA exam to become certified. The exam covers both written and practical skills, and it is designed to assess your competency as a nursing assistant.

4. Apply for Certification: Once you pass the exam, you can apply for CNA certification with the Ministry of Public Health in Qatar. You will need to submit your exam results, proof of education, and any other required documents.

5. Maintain Certification: CNA certification in Qatar is valid for three years. To maintain your certification, you will need to complete continuing education requirements and stay up-to-date with the latest nursing practices.

Becoming a CNA in Qatar can be a rewarding career choice, and it can also serve as a stepping stone to further education and advancement in the healthcare field.