The methods of writing this language level into your resume include title or label, grade expression, certificate information, etc.

1. Title or label: In the section of skills, language ability or special certificates and qualifications, you can create a subtitle, such as language skills or Putonghua proficiency.

2. Level expression: clearly write down your Putonghua level. Putonghua proficiency test is usually divided into one, two and three levels, and each level is divided into two levels: A and B.

3. Certificate information: You have obtained a certificate of passing the Putonghua proficiency test, which can be indicated at the back of the grade. For example, "Putonghua Grade II A (with certificate)".