1. Have a certain knowledge of oil painting: As a member of the Oil Painters Association, you need to have a certain knowledge of oil painting and be able to express it through your own works.

2. Art education or qualification certificate: having an art education or relevant professional qualification certificate can prove the level of personal professional quality and provide more opportunities for joining the Oil Painters Association.

3. Participated in oil painting exhibitions or competitions: By participating in various oil painting exhibitions or competitions at home and abroad, you can further prove your artistic talent and skills by selecting works that have won prizes or created by yourself.

4. Agree to and abide by the articles of association: to join the association, you need to sign relevant agreements, agree to abide by the articles of association, recognize the purpose of the association, and be willing to contribute to the development of oil painting art.